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US3474733A
Expired / Lapsed
US
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Water pump and method of assembly
Assignee: United States Department of the Army
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Filing: 1967-10-04
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Granted: 1969-10-28
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Jacob S Saletzki
- 👤 Marvin C Keys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:52
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/04; F04D29/046; F04D29/049; F04D29/08; F04D29/10; F04D29/12; F04D29/126; F04D29/40; F04D29/42; F04D29/426; F04D29/60; F04D29/62; F04D29/628; F05; F05D; F05D2260/00; F05D2260/60; F05D2260/602; F05D2260/6022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |