US2762735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated fibrous glass material
Assignee: GAF Chemicals Corp
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Filing: 1955-06-16
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Granted: 1956-09-11
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Expires: 1975-06-16
Abstract
No abstract record available.
Inventors
- 👤 Werner Jesse
- 👤 Steckler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:17
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/24; C08J5/241; C08J5/244; C08J2331/00; C08J2331/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A LAMINATED ARTICLE COMPRISING SHEETS OF FIBROUS GLASS MATERIAL BONDED TOGETHER WITH A COPOLYMER OF N-VINYL PYRROLIDONE AND AN ALLYL ESTER OF A DIBASIC CARBOXYLIC ACID, SAID COPOLYMER CONTAINING IN A WEIGHT RATIO OF 5-20% OF AN N-VINYL PYRROLIDONE AND 80-95% OF AN ALLYL ESTER OF DIBASIC CARBOXYLIC ACID.
Claim 2
Dependent Claim
49 words
A LAMINATED ARTICLE COMPRISING SHEETS OF FIBROUS GLASS MATERIAL BONDED TOGETHER WITH A COPOLYMER OF N-VINYL PYRROLIDONE AND AN ALLYL ESTER OF A DIBASIC CARBOXYLIC ACID, SAID COPOLYMER CONTAINING IN A WEIGHT RATIO OF 5-20% OF AN N-VINYL PYRROLIDONE AND 80-95% OF AN ALLYL ESTER OF DIBASIC CARBOXYLIC ACID.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |