US2637673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonwoven film coated fabric
Assignee: Reconstruction Finance Corp
•
Filing: 1950-01-30
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Granted: 1953-05-05
•
Expires: 1970-01-30
Abstract
No abstract record available.
Inventors
- 👤 Randolph H Barnard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/4209; D04H1/4218; B; B32; B32B; B32B27/00; B32B27/12; B32B27/18; B32B27/20; B32B27/28; B32B27/30; B32B27/304; B32B5/00; B32B5/02; B32B5/022; B32B7/00; B32B7/04; B32B7/12; B32B2262/00; B32B2262/10; B32B2262/101; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2307/40; B32B2307/412; B32B2307/50; B32B2307/54; B32B2307/546; B32B2307/582; B32B2307/5825; B32B2307/70; B32B2307/726; B32B2307/7265; B32B2419/00; B32B2607/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AS A NEW PRODUCT OF MANUFACTURE, A NONWOVEN FABRIC SUBSTITUTE CONSISTING OF THIN NONWOVEN SEMI-TRANSPARENT MAT OF STAPLES GLASS FIBER FORMING A STRUCTURAL SUPPORTING BASE AND A FLEXIBLE FLUID IMPERVIOUS FILM OF LESSER THICKNESS BONDED ON ONE SIDE THEREOF.
Claim 2
Dependent Claim
39 words
AS A NEW PRODUCT OF MANUFACTURE, A NONWOVEN FABRIC SUBSTITUTE CONSISTING OF THIN NONWOVEN SEMI-TRANSPARENT MAT OF STAPLES GLASS FIBER FORMING A STRUCTURAL SUPPORTING BASE AND A FLEXIBLE FLUID IMPERVIOUS FILM OF LESSER THICKNESS BONDED ON ONE SIDE THEREOF.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |