US1685397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gyratory pump
Assignee: C & C Engineering Co Inc
•
Filing: 1926-03-15
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Granted: 1928-09-25
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Expires: 1946-03-15
Abstract
No abstract record available.
Inventors
- 👤 John O Carrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:49
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/32; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/356; F04C18/00; F04C18/30; F04C18/34; F04C18/356; F04C18/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-09-25 | 1932-03-26 | 1932-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-25 | 1936-03-26 | 1936-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-25 | 1940-03-26 | 1940-09-25 | $7700.00 | Window Closed / Lapsed |