US3419501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cleaning composition
Assignee: Old Carco LLC
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Filing: 1965-05-10
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Granted: 1968-12-31
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Gert G Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:40
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/06; C; C11; C11D; C11D7/00; C11D7/02; C11D7/04; C11D7/10; C11D7/105; C11D7/14; C11D7/22; C11D7/32; C11D7/3245; C23; C23G; C23G1/00; C23G1/14; C23G1/24; F01P2011/066; F01P2011/068
Claims Analysis
Total Claims: 0
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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) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |