US2614090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of vinylidene cyanide polymer solutions
Assignee: Goodrich Corp
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Filing: 1949-08-15
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Granted: 1952-10-14
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Expires: 1969-08-15
Abstract
No abstract record available.
Inventors
- 👤 Seward J Averill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
A COMPOSITION COMPRISING A SOLUTION OF POLYVINYLIDENE CYANIDE IN DIMETHYL FORMAMIDE AND, AS A STABILIZER FOR SAID SOLUTION, FROM 0.1 TO 5% BY WEIGHT OF AN ANHYDRIDE OF THE FORMULA
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) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |