US1785356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning pump
Assignee: WICACO MACHINE Corp
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Filing: 1927-11-03
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Granted: 1930-12-16
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Expires: 1947-11-03
Abstract
No abstract record available.
Inventors
- 👤 Charles W Lawser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:16
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B1/2014; F04B1/2042; F04B1/2057
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) | 1933-12-15 | 1934-06-16 | 1934-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-15 | 1938-06-16 | 1938-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-15 | 1942-06-16 | 1942-12-16 | $7700.00 | Window Closed / Lapsed |