US2889305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-resistant coatings containing coal tar oil and an epoxy resin
Assignee: Individual
•
Filing: 1957-03-11
•
Granted: 1959-06-02
•
Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Stanley L Lopata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:53
CPC Classifications
C; C08; C08L; C08L63/00; C09; C09D; C09D163/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A COATING COMPOSITION COMPRISING AN EPOXY ETHER RESIN HAVING A 1,2-EPOXY EQUIVALENCY OF TWO AND AN OIL WHICH IS DISTILLED FROM COAL TAR IN THE TEMPERATURE RANGE OF 200*C. TO 320*C.
Claim 2
Dependent Claim
31 words
A COATING COMPOSITION COMPRISING AN EPOXY ETHER RESIN HAVING A 1,2-EPOXY EQUIVALENCY OF TWO AND AN OIL WHICH IS DISTILLED FROM COAL TAR IN THE TEMPERATURE RANGE OF 200*C. TO 320*C.
References Cited (Backward Citations)
US2765288A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |