Patent DE763760C successfully refreshed from Google Patents.
Patent US4815849A successfully refreshed from Google Patents.
Patent US3407089A successfully refreshed from Google Patents.
US3407089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition for pyrophoric metal powders and shavings
Assignee: Sunoco Inc
•
Filing: 1965-07-08
•
Granted: 1968-10-22
•
Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Charles F Sampson
- 👤 Howard M Rue
- 👤 George S Rostron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:45
CPC Classifications
C; C23; C23F; C23F15/00; B; B22; B22F; B22F1/00; B22F1/10; B22F1/102; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31714
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |