US2799669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of vinyl alkyl ethers
Assignee: GAF Chemicals Corp
•
Filing: 1950-09-08
•
Granted: 1957-07-16
•
Expires: 1970-09-08
Abstract
No abstract record available.
Inventors
- 👤 Abraham O Zoss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:48
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A FORM-STABLE, ELASTIC, RUBBERLIKE POLYMER CONSISTING OF A POLYMERIZED VINYL LOWER ALKYL ETHER, SAID POLYMER BEING MICROCRYSTALLINE AND YIELDING X-RAY FIBRE DIAGRAMS IN STRETCHED CONDITION.
Claim 2
Dependent Claim
25 words
A FORM-STABLE, ELASTIC, RUBBERLIKE POLYMER CONSISTING OF A POLYMERIZED VINYL LOWER ALKYL ETHER, SAID POLYMER BEING MICROCRYSTALLINE AND YIELDING X-RAY FIBRE DIAGRAMS IN STRETCHED CONDITION.
References Cited (Backward Citations)
US2061934A
Cited
US2477225A
Cited
US2429587A
Cited
US2513820A
Cited
US2555179A
Cited
US2609364A
Cited
US2616879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |