Patent US2683697A successfully refreshed from Google Patents.
US2683697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nylon-reinforced copolymer resins
Assignee: RTX Corp
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Filing: 1951-01-27
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Granted: 1954-07-13
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Expires: 1971-01-27
Abstract
No abstract record available.
Inventors
- 👤 Isaac L Newell
- 👤 John K Atticks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:50
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08L61/00; C08L61/04; C08L61/06; C08L77/00; C08K; C08K7/00; C08K7/02; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10S525/00; Y10S525/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COMPOSITION OF MATTER COMPRISING THE EXPANDED REACTION PRODUCT OF BUTADIENE-ACRYLONITRILE COPOLYMER RUBBER 100 PARTS WITH PHENOLICFORMALDEHYDE RESIN 50 TO 500 PARTS AND FIBERS OF A SYNTHETIC POLYMER HAVING LONG CHAIN LINEAR POLYCARBONAMIDE GROUPS SEPARATED BY HYDROCARBON CHAINS 30 TO 140 PARTS EMBEDDED AND UNI-
Claim 2
Dependent Claim
45 words
A COMPOSITION OF MATTER COMPRISING THE EXPANDED REACTION PRODUCT OF BUTADIENE-ACRYLONITRILE COPOLYMER RUBBER 100 PARTS WITH PHENOLICFORMALDEHYDE RESIN 50 TO 500 PARTS AND FIBERS OF A SYNTHETIC POLYMER HAVING LONG CHAIN LINEAR POLYCARBONAMIDE GROUPS SEPARATED BY HYDROCARBON CHAINS 30 TO 140 PARTS EMBEDDED AND UNI-
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) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |