Patent US4454611A successfully refreshed from Google Patents.
US4454611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat resistant protective hand covering
Assignee: National Aeronautics and Space Administration
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Filing: 1982-06-30
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Granted: 1984-06-19
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Expires: 2002-06-30
Abstract
Abstract A heat-resistant, protective glove having a shell made of a fabric of a temperature-resistant aromatic polyamide fiber, the outer surface of the shell being coated with a fire-resistant elastomer and a liner, generally conforming and secured to the shell and disposed inwardly of the shell, the liner being made of a felt fabric of a temperature-resistant aromatic polyamide fiber.
Inventors
- 👤 Richard P. Tschirch
- 👤 Kenneth R. Sidman
- 👤 Irving J. Arons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:43
CPC Classifications
A; A41; A41D; A41D19/00; A41D19/015; A41D19/01529
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
89 words
A heat-resistant, protective glove comprising: a shell having an inner surface and an outer surface and generally defining a palm side, a backside, and an opening for insertion of a wearer's hand, said shell being made of a fabric of a temperature-resistant aromatic polyamide fiber; a coating of a flame-resistant elastomer substantially covering the outer surface of said shell; and a liner generally conforming and secured to said shell, said liner overlying said inner surface of said shell and comprising a felt fabric of a temperature-resistant aromatic polyamide fiber.
Claim 2
Dependent Claim
89 words
A heat-resistant, protective glove comprising: a shell having an inner surface and an outer surface and generally defining a palm side, a backside, and an opening for insertion of a wearer's hand, said shell being made of a fabric of a temperature-resistant aromatic polyamide fiber; a coating of a flame-resistant elastomer substantially covering the outer surface of said shell; and a liner generally conforming and secured to said shell, said liner overlying said inner surface of said shell and comprising a felt fabric of a temperature-resistant aromatic polyamide fiber.
Claim 3
Dependent Claim
11 words
The glove of claim 1 wherein said polyamide fiber comprises Kevlar.
Claim 4
Dependent Claim
11 words
The glove of claim 1 wherein said flame-resistant elastomer comprises neoprene.
Claim 5
Dependent Claim
18 words
The glove of claim 1 wherein said coating is pigmented with a material having a heat reflecting color.
Claim 6
Dependent Claim
21 words
The glove of claim 1 wherein the fabric of said liner has a weight per unit square area of 3.5 oz./sq.yd.
Claim 7
Dependent Claim
30 words
The glove of claim 1 including a generally tubular wristlet having one end secured to said shell and in generally encircling relation to said opening for insertion of said hand.
Claim 8
Dependent Claim
76 words
The glove of claim 6 wherein said wristlet comprises an outermost layer of a knitted fabric of a temperature-resistant aromatic polyamide fiber, an inner layer of a fabric resistant to strike-through of said coating, said inner layer being secured to said outermost layer and a patch of a felt fabric of a temperature-resistant aromatic polyamide fiber inwardly of and secured to said inner layer, said patch being positioned generally on the palm side of said glove.
Claim 9
Dependent Claim
11 words
The glove of claim 7 wherein said polyamide fiber is Kevlar.
Claim 10
Dependent Claim
16 words
The glove of claim 1 wherein said palm side is provided with a friction inducing surface.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-19 | 1987-12-19 | 1988-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-19 | 1991-12-19 | 1992-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-19 | 1995-12-19 | 1996-06-19 | $7700.00 | Window Closed / Lapsed |