Patent US4024316A successfully refreshed from Google Patents.
US4024316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated safetysized equipment
Assignee: Individual
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Filing: 1976-01-22
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Granted: 1977-05-17
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Expires: 1996-01-22
Abstract
Abstract This invention consists in the application of a neoprene or vinyl covering all around various industrial equipment that is made of metal, such as ladders, cranes, hoists and the like, so that if the equipment accidentally comes into contact with an electrical power, a person using the equipment will not become electrocuted.
Inventors
- 👤 Joe Loris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:37
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/02; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/31; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31699; Y10T428/31707; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31928; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
Insulated Safetysized Equipment, comprising in combination, an equipment such as a ladder, crane, hoist, lift, chain, steel rope, shovel, scaffolding, or the like, said equipment being of metal and having its outer surface covered with a coating of electrical insulated material, said material comprising a transparent, clear layer in which there is an outer film of non-slip rubber, an inner film of vinyl resin, and an unmixed film of non-slip rubber and vinyl resin therebetween; and a layer of clear lucite acrylic resin being between said equipment metal surface and said transparent clear layer, said lucite acrylic resin having a sandblasted, roughened outer surface.
Claim 2
Dependent Claim
104 words
Insulated Safetysized Equipment, comprising in combination, an equipment such as a ladder, crane, hoist, lift, chain, steel rope, shovel, scaffolding, or the like, said equipment being of metal and having its outer surface covered with a coating of electrical insulated material, said material comprising a transparent, clear layer in which there is an outer film of non-slip rubber, an inner film of vinyl resin, and an unmixed film of non-slip rubber and vinyl resin therebetween; and a layer of clear lucite acrylic resin being between said equipment metal surface and said transparent clear layer, said lucite acrylic resin having a sandblasted, roughened outer surface.
References Cited (Backward Citations)
US2174912A
Cited
US2427196A
Cited
US2717216A
Cited
US2722492A
Cited
US2823140A
Cited
US2950222A
Cited
US3776805A
Cited
US3987229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |