Patent US2994375A successfully refreshed from Google Patents.
US1925120A
Expired / Lapsed
US
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Pumping, agitating, and measuring system for liquids
Assignee: Individual
•
Filing: 1932-02-12
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Granted: 1933-09-05
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Expires: 1952-02-12
Abstract
No abstract record available.
Inventors
- 👤 Tamminga William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:44
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/1202; B67D1/1234; B67D3/00; B67D3/0041; B67D3/0045; G; G01; G01F; G01F11/00; G01F11/28; B67D2210/00; B67D2210/00002; Y; Y10; Y10S; Y10S366/00; Y10S366/601
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) | 1936-09-04 | 1937-03-06 | 1937-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-04 | 1941-03-06 | 1941-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-04 | 1945-03-06 | 1945-09-05 | $7700.00 | Window Closed / Lapsed |