US2939794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions and coated structures
Assignee: Texaco Inc
•
Filing: 1958-01-28
•
Granted: 1960-06-07
•
Expires: 1978-01-28
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:46
CPC Classifications
C; C09; C09D; C09D195/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A FIRE RESISTANT COATING COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 30-55% ASPHALT, ABOUT 15-30% VOLATILIZABLE DILUENT, ABOUT 5-15% FINE ASBESTOS, ABOUT 5-10% FINE MICA, ABOUT 5-15% FINE EXPANDED VERMICULITE AND ABOUT 2-8% FINE ALKALI METAL TETRABORATE.
Claim 2
Dependent Claim
35 words
A FIRE RESISTANT COATING COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 30-55% ASPHALT, ABOUT 15-30% VOLATILIZABLE DILUENT, ABOUT 5-15% FINE ASBESTOS, ABOUT 5-10% FINE MICA, ABOUT 5-15% FINE EXPANDED VERMICULITE AND ABOUT 2-8% FINE ALKALI METAL TETRABORATE.
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) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |