Patent US2951620A successfully refreshed from Google Patents.
US2951620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for insulated jug
Assignee: Individual
•
Filing: 1958-08-07
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Granted: 1960-09-06
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Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Robert F Sego
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:35
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/12; F04B53/123; B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1001; B05B11/1015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US740221A
Cited
US1553805A
Cited
US1632933A
Cited
US1666064A
Cited
US1801066A
Cited
US2521433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |