Patent US3981033A successfully refreshed from Google Patents.
Patent US3431209A successfully refreshed from Google Patents.
US3431209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent degreasing,self-emulsifying cleaning composition
Assignee: United States Department of the Army
•
Filing: 1966-08-26
•
Granted: 1969-03-04
•
Expires: 1986-08-26
Abstract
No abstract record available.
Inventors
- 👤 Myer Rosenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:31
CPC Classifications
C; C11; C11D; C11D10/00; C11D10/04; C11D10/042; C11D3/00; C11D3/43; C11D9/00; C11D9/002; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23G; C23G5/00; C23G5/02; C23G5/024; C11D1/00; C11D1/02; C11D1/12; C11D1/22
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |