US2898253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature protective coating for metals
Assignee: North American Aviation Corp
•
Filing: 1958-03-25
•
Granted: 1959-08-04
•
Expires: 1978-03-25
Abstract
No abstract record available.
Inventors
- 👤 Edward B Schneider
- 👤 Everett G Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:07
CPC Classifications
C; C23; C23D; C23D5/00; C23D5/02; C22; C22F; C22F1/00; C22F1/008; C23C; C23C24/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A HIGH TEMPERATURE PROTECTIVE COATING COMPOSITION FOR METAL CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A CERAMIC MATERIAL, FROM ABOUT 10 TO ABOUT 200 PARTS BY WEIGHT ALUMINUM, FROM ABOUT 1 TO ABOUT 100 PARTS BY WEIGHT OF A BENTONITE CLAY COMPOSITION AND AN AMOUNT OF DILUENT SUFFICIENT TO GIVE THE COMPOSITION A SPREADABLE CONSISTENCY.
Claim 2
Dependent Claim
56 words
A HIGH TEMPERATURE PROTECTIVE COATING COMPOSITION FOR METAL CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A CERAMIC MATERIAL, FROM ABOUT 10 TO ABOUT 200 PARTS BY WEIGHT ALUMINUM, FROM ABOUT 1 TO ABOUT 100 PARTS BY WEIGHT OF A BENTONITE CLAY COMPOSITION AND AN AMOUNT OF DILUENT SUFFICIENT TO GIVE THE COMPOSITION A SPREADABLE CONSISTENCY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |