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    ALKALINE DRY-CELL PATENT
    November 15, 1960 - U.S.A.

    A U.S. patent was issued for an alkaline dry-cell to P.A. Marsal, Karl Kordesch and Lewis F. Urry who assigned it to the Union Carbide Corporation, the manufacturer of Eveready batteries (No. 2,960,558). Compared to the existing carbon-zinc dry-cells, it offered an appreciable increase in life-span and efficiency during heavy continuous drains. Its construction used an alkaline electrolyte, manganese dioxide as depolarizer, a zinc powder-gel anode, and certain additives such including mercury and electrolyte-creep inhibitors. The patent gave practical details for commercial production. The patent claimed that whereas four cells in series of the carbon-zinc type gave 4.5 volts to power a 1.25-amp bulb for 45-min to 1-hr, the new alkaline design gave good brilliance after 6 to 7 hours.

    DRY-CELL PATENT
    November 15, 1887 - U.S.A.

    German scientist, Dr. Carl Gassner, was issued a U.S. patent (No. 373,064), the first in the U.S. for a "dry" cell. Gassner had already patented his invention in Germany (No. 37,758) on 8 Apr 1886, and also in Austria, Belgium, England, France and Hungary in the same year. The sealed zinc shell which contained all the chemicals was also the negative electrode. Later, he improved the shelf life of the battery by adding zinc chloride to the electrolyte to reduce corrosion of the zinc shell. Gassner's battery was much like the carbon-zinc, general-purpose batteries sold today. By 1896, the National Carbide Company (later Union Carbide and Eveready) produced the first consumer dry cell battery. Two years later, the company made the first D cell.

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Injuries Resulting From Slip-and-Fall Ac :

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The article is devoted to slip-and-fall accidents and injuries that they may cause. There is a list of slip-and-fall injury causes and recommendations what to do after the accident.

ARTICLE CONTENT :

Hundreds thousands of people are injured each year - some very seriously - when they slip or stumble and fall on a rough patch of ground, a wet floor or a flight of stairs. As property owners are responsible for sustaining safety on their premises and warning visitors of potential hazards, they can be liable for injuries that happen because of injury-causing conditions on their property. Slip-and-fall accidents can result in various injuries, ranging from the relatively minor to life-threatening.

A slip-and-fall accident can happen nearly anyplace, on public or private property, indoors or outdoors. A slip-and-fall injury can occur due to hazards such as: slippery tiling, unbalanced flooring, rippled carpet or foreign objects on the floor or walkway, bad weather conditions (for instance, ice, snow, or rain), uneven sidewalks, holes, badly lit or unmarked stairs or pathways Slip-and-fall injuries range in severity. A victim may suffer bruises, broken bones, and scrapes that need minimum medical care and heal comparatively fast.

Other victims may suffer a catastrophic personal injury ? a brain injury, spinal cord injury, or burn injury ? that brings on lifelong damage and requires durable medical treatment. In the worst case scenario, an injured person dies due to his or her injuries. If this happens, and the accident occurred due to the property owner's negligence, then the death is regarded as wrongful and can be litigated as such.

The sooner you file a lawsuit after the injury, the better for you. Most slip-and-fall injury claims are lodged within thirty days of the injury, since if you wait too long, it may look like you are attempting to file a frivolous suit instead of a legitimate one. If there is a hint of frivolity in your case, your suit is likely to be dismissed.

After a slip-and-fall accident you should first visit a doctor to see the extent of your injuries. This will prove that you did really suffer a slip-and-fall injury, and can be invaluable in your case. You should keep close records of the medical treatment you got, and records of any work you had to miss and how much money it cost you. Any extra costs, including medicines, transportation, physical therapy, and the like should also be thoroughly recorded. There expenses can be reimbursed, if you win the suit.

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  • June 29, 2010Date Added :
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