Patent US2907614A successfully refreshed from Google Patents.
US2907614A
Expired / Lapsed
US
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Precision pump
Assignee: Individual
•
Filing: 1958-02-25
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Granted: 1959-10-06
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Expires: 1978-02-25
Abstract
No abstract record available.
Inventors
- 👤 Rosen Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:46
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/14; F04B53/143; F04B29/00; F04B53/144; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1474201A
Cited
US1744565A
Cited
US1806078A
Cited
US2420929A
Cited
US2600061A
Cited
US2757994A
Cited
US2807213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |