US2444912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for pumping
Assignee: Individual
•
Filing: 1947-07-17
•
Granted: 1948-07-13
•
Expires: 1967-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert G Bodine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:42
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/02; B; B06; B06B; B06B1/00; B06B1/10; F04B9/00; F04B9/02; F04B9/06; F04F; F04F1/00; F04F1/06; Y; Y10; Y10T; Y10T137/00; Y10T137/0753
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US256997A
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US991708A
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GB130332A
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GB146436A
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US1371983A
Cited
US1730336A
Cited
US1730337A
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US1941593A
Cited
US2056513A
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FR850942A
Cited
US2355618A
Cited
GB106863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-13 | 1952-01-12 | 1952-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-13 | 1956-01-12 | 1956-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-13 | 1960-01-12 | 1960-07-13 | $7700.00 | Window Closed / Lapsed |