US3076786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of formaldehyde and vinyl ethers
Assignee: EIDP Inc
•
Filing: 1960-06-13
•
Granted: 1963-02-05
•
Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 Brown Northrop
- 👤 Cline Edward Terry
- 👤 O'connor Timothy Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:17
CPC Classifications
C; C08; C08G; C08G2/00; C08G2/06; C08G2/18; C08G2/26; C09; C09D; C09D159/00; Y; Y10; Y10S; Y10S74/00; Y10S74/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A COPOLYMER OF FORMALDEHYDE AND A VINYL ETHER HAVING THE FORMULA:
Claim 2
Dependent Claim
11 words
A COPOLYMER OF FORMALDEHYDE AND A VINYL ETHER HAVING 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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |