US2658834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of protecting metal surfaces, composition therefor, and article resulting therefrom
Assignee: JACK F GOVAN
•
Filing: 1951-01-08
•
Granted: 1953-11-10
•
Expires: 1971-01-08
Abstract
No abstract record available.
Inventors
- 👤 Carl A M Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:35
CPC Classifications
C; C03; C03C; C03C4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
AN IMPROVED COMPOSITION OF MATTER FOR USE AS A PROTECTIVE COATING FOR OXIDIZABLE METALS CONSISTING SUBSTANTIALLY OF 21/2% TO 35% BY WEIGHT SODIUM META BORATE, UP TO 40% BY WEIGHT PLASTIC CLAY, AND 15% TO 90% BY WEIGHT OF AN INORGANIC MATERAIL OF REDUCE DVALENCE, TERMINED AN OXIDATION INHIBITOR INCAPABLE OF REACTING WITH THE SAID BORATE SELECTED FROM THE GROUP CONSISTING OF GRAPHITE, CARBON BLACK, IRON AND COPPER, SAID PERCENTAGE OF SODIUM META BORATE BEING BASED ON THE WEIGHT OF THE ANHYDROUS SALT.
Claim 2
Dependent Claim
83 words
AN IMPROVED COMPOSITION OF MATTER FOR USE AS A PROTECTIVE COATING FOR OXIDIZABLE METALS CONSISTING SUBSTANTIALLY OF 21/2% TO 35% BY WEIGHT SODIUM META BORATE, UP TO 40% BY WEIGHT PLASTIC CLAY, AND 15% TO 90% BY WEIGHT OF AN INORGANIC MATERAIL OF REDUCE DVALENCE, TERMINED AN OXIDATION INHIBITOR INCAPABLE OF REACTING WITH THE SAID BORATE SELECTED FROM THE GROUP CONSISTING OF GRAPHITE, CARBON BLACK, IRON AND COPPER, SAID PERCENTAGE OF SODIUM META BORATE BEING BASED ON THE WEIGHT OF THE ANHYDROUS SALT.
References Cited (Backward Citations)
GB160495A
Cited
US2291958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |