US2785091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of protecting metal surfaces, composition therefor, and article resulting therefrom
Assignee: JACK F GOVAN
•
Filing: 1953-10-23
•
Granted: 1957-03-12
•
Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Carl A M Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:23
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C23; C23C; C23C24/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A COMPOSITION OF MATTER FOR USE AS A PROTECTIVE COATING FOR OXIDIZABLE METALS CONSISTING ESSENTIALLY OF 20% TO 50% BY WEIGHT SODIUM META BORATE, 20% TO 40% BY WEIGHT PLASTIC CLAY AND 5% TO 40% BY WEIGHT OF AT LEAST ONE METAL OXIDE.
Claim 2
Dependent Claim
43 words
A COMPOSITION OF MATTER FOR USE AS A PROTECTIVE COATING FOR OXIDIZABLE METALS CONSISTING ESSENTIALLY OF 20% TO 50% BY WEIGHT SODIUM META BORATE, 20% TO 40% BY WEIGHT PLASTIC CLAY AND 5% TO 40% BY WEIGHT OF AT LEAST ONE METAL OXIDE.
References Cited (Backward Citations)
GB160495A
Cited
US2499641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |