Patent US4433439A successfully refreshed from Google Patents.
US4433439A
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: 1984-02-28
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Expires: 2002-06-30
Abstract
Abstract A heat-resistant protective glove having first and second shells which generally define the palm side and backside of the glove, respectively, each of the shell sections being made of a temperature-resistant aromatic polyamide fiber, the first shell section being a twill weave, the second shell section being a knitted fabric, a first liner section having a flame-resistant, elastomeric coating on a surface contiguous the inner surface of the first shell section, and a second liner section inwardly of the second shell section, the first and second liner sections generally conforming to the configuration of the first and second shell sections, respectively, both of the first and second liner sections being comprised of a felt fabric of a temperature-resistant aromatic polyamide fiber.
Inventors
- 👤 Kenneth R. Sidman
- 👤 Irving J. Arons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:35
CPC Classifications
A; A41; A41D; A41D19/00; A41D19/015; A41D19/01529; A41D2300/00; A41D2300/50
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
204 words
A heat-resistant protective glove comprising: a first shell section generally defining the palm side of said glove and having inner and outer surfaces, said first shell section comprising a twill weave fabric of a temperature-resistant aromatic polyamide fiber; a second shell section generally defining the backside of said glove and having inner and outer surfaces, said second shell section comprising a knitted fabric of a temperature-resistant aromatic polyamide fiber, said first and second shell sections being secured to one another so as to provide an opening for insertion of a wearer's hand; a first liner section secured to said first shell section and having first and second surfaces, said first surface of said first liner section facing and generally overlying said inner surface of said first shell section, said first liner section comprising a felt fabric of a temperature-resistant aromatic polyamide fiber having a flame resistant, elastomeric coating on said first liner surface; and a second liner section secured to said second shell section and having first and second surfaces, said first surface of said second liner section facing and generally overlying said inner surface of said second shell section, said second liner section comprising a felt fabric of a temperature-resistant aromatic polyamide fiber.
Claim 2
Dependent Claim
204 words
A heat-resistant protective glove comprising: a first shell section generally defining the palm side of said glove and having inner and outer surfaces, said first shell section comprising a twill weave fabric of a temperature-resistant aromatic polyamide fiber; a second shell section generally defining the backside of said glove and having inner and outer surfaces, said second shell section comprising a knitted fabric of a temperature-resistant aromatic polyamide fiber, said first and second shell sections being secured to one another so as to provide an opening for insertion of a wearer's hand; a first liner section secured to said first shell section and having first and second surfaces, said first surface of said first liner section facing and generally overlying said inner surface of said first shell section, said first liner section comprising a felt fabric of a temperature-resistant aromatic polyamide fiber having a flame resistant, elastomeric coating on said first liner surface; and a second liner section secured to said second shell section and having first and second surfaces, said first surface of said second liner section facing and generally overlying said inner surface of said second shell section, said second liner section comprising a felt fabric of a temperature-resistant aromatic polyamide fiber.
Claim 3
Dependent Claim
12 words
The glove of claim 1 wherein said aromatic polyamide fiber comprises Kevlar.
Claim 4
Dependent Claim
11 words
The glove of claim 1 wherein said elastomeric coating comprises neoprene.
Claim 5
Dependent Claim
22 words
The glove of claim 3 wherein said coating is in the range of from about 4 to about 5 mils in thickness.
Claim 6
Dependent Claim
26 words
The glove of claim 1 wherein said first and second shell sections are secured to one another using thread formed from a temperature-resistant aromatic polyamide fiber.
Claim 7
Dependent Claim
35 words
The glove of claim 1 further including a generally tubular wristlet having one end secured to said first and second shell sections and in generally encircling relation to said opening for insertion of said hand.
Claim 8
Dependent Claim
16 words
The glove of claim 1 wherein said inner surface of said first shell section is napped.
Claim 9
Dependent Claim
16 words
The glove of claim 1 wherein said inner surface of said second shell section is napped.
Claim 10
Dependent Claim
25 words
The glove of claim 1 wherein said twill weave fabric of said first shell section has a weight per unit square area of 8 oz./sq.yd.
Claim 11
Dependent Claim
24 words
The glove of claim 1 wherein said knitted fabric of said second shell section has a weight per unit square area of 7 oz./sq.yd.
Claim 12
Dependent Claim
25 words
The glove of claim 1 wherein said fabric of said first and second liner sections has a weight per unit square area of 3.5 oz./sq.yd.
References Cited (Backward Citations)
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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) | 1987-02-27 | 1987-08-29 | 1988-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-27 | 1991-08-29 | 1992-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-27 | 1995-08-29 | 1996-02-28 | $7700.00 | Window Closed / Lapsed |