Patent US1375200A successfully refreshed from Google Patents.
US1375200A
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Pumping apparatus
Assignee: Individual
•
Filing: 1918-08-05
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Granted: 1921-04-19
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Expires: 1938-08-05
Abstract
No abstract record available.
Inventors
- 👤 William S Barnickel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:45
CPC Classifications
F; F04; F04B; F04B13/00; F04B13/02; B; B61; B61F; B61F19/00; B61F19/06; B61F19/08; B61F19/10; F04B9/00; F04B9/08; F04B9/12; F04B9/129; F04B9/131; F04B9/133; F04B9/137; F04B9/1372
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) | 1924-04-18 | 1924-10-18 | 1925-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-18 | 1928-10-18 | 1929-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-18 | 1932-10-18 | 1933-04-19 | $7700.00 | Window Closed / Lapsed |