US3274137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifouling protective coating compositions
Assignee: Individual
•
Filing: 1962-05-04
•
Granted: 1966-09-20
•
Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 John R Saroyan
- 👤 Hing D Dear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:37
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/18; C09D123/20; C09D123/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
AN ANTIFOULING PROTECTIVE COATING COMPOSITION COMPRISING, BY WEIGHT, NON-VOLATILE INGREDIENTS COMPRISING FROM ABOUT 82% TO ABOUT 97.5% CUPROUS OXIDE, FROM ABOUT 1.7% TO ABOUT 10.5% POLYISOBUTYLENE, THE APPROXIMATE AVERAGE MOLECULAR WEIGHT OF WHICH DOES NO EXCEED ESSENTIALLY 50,000 FROM 0% TO ABOUT 15% ROSIN, AND VOLATILE INGREDIENTS COMPRISING SOLVENT IN AN AMOUNT FROM ABOUT 20% TO ABOUT 130% OF THE NON-VOLATILE INGREDIENTS.
References Cited (Backward Citations)
US3033809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |