Patent US2958294A successfully refreshed from Google Patents.
US2958294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose-type pump
Assignee: Individual
•
Filing: 1958-06-06
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Granted: 1960-11-01
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Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Philip A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:31
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1874667A
Cited
US2351828A
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US2412397A
Cited
US2546852A
Cited
US2534855A
Cited
US2752852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |