US3033809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-fouling protective coating compositions
Assignee: Individual
•
Filing: 1960-01-29
•
Granted: 1962-05-08
•
Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
- 👤 John R Saroyan
- 👤 Hing D Dear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:57
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/18; C09D123/20; C09D123/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN ANTI-FOULING 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 POLYMER OF MOLECULAR WEIGHT FROM ABOUT 80,000 TO ABOUT 120,000, FROM 0% TO ABOUT 15% ROSIN, AND VOLATILE INGRIDIENTS COMPRISING A SOLVENT OF FROM ABOUT 20% TO ABOUT 130% OF THE NON-VOLATILE INGREDIENTS.
Claim 2
Dependent Claim
59 words
AN ANTI-FOULING 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 POLYMER OF MOLECULAR WEIGHT FROM ABOUT 80,000 TO ABOUT 120,000, FROM 0% TO ABOUT 15% ROSIN, AND VOLATILE INGRIDIENTS COMPRISING A SOLVENT OF FROM ABOUT 20% TO ABOUT 130% OF THE NON-VOLATILE INGREDIENTS.
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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |