US2675958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pump
Assignee: Trico Products Corp
•
Filing: 1951-02-14
•
Granted: 1954-04-20
•
Expires: 1971-02-14
Abstract
No abstract record available.
Inventors
- 👤 Deibel Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:40
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/02; F04C29/026; F16; F16N; F16N7/00; F16N7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US321669A
Cited
FR453565A
Cited
CH78583A
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US1626557A
Cited
US1500361A
Cited
US1590384A
Cited
GB444610A
Cited
FR789561A
Cited
US2153349A
Cited
US2272926A
Cited
US2455297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |