US3265675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl 2, 2-dimethylalkyl ethers and polymers thereof
Assignee: Eastman Kodak Co
•
Filing: 1962-04-02
•
Granted: 1966-08-09
•
Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh J Hagemeyer
- 👤 Alden E Blood
- 👤 James D Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/02; C08F16/00; C08F16/12; C08F259/00; C08F259/02; C08F259/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A HOMOPOLYMER OF A VINYL 2,2-DIMETHYLALKYL ESTER REPRESENTED BY THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
12 words
A HOMOPOLYMER OF A VINYL 2,2-DIMETHYLALKYL ESTER REPRESENTED BY THE STRUCTURAL FORMULA:
Claim 3
Dependent Claim
12 words
A COPOLYMER OF A VINYL 2,2-DIMETHYLALKYL ETHER REPRESENTED BY THE STRUCTURAL FORMULA
Claim 4
Dependent Claim
12 words
A COPOLYMER OF A VINYL 2,2-DIMETHYLALKYL ETHER REPRESENTED BY THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2717248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |