US2980023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pumps
Assignee: Holley Performance Products Inc
•
Filing: 1957-10-07
•
Granted: 1961-04-18
•
Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 John E Smith
- 👤 Raymond L Ensinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:08
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/02; F16N13/06; F16N13/10; F02; F02M; F02M59/00; F02M2700/00; F02M2700/13; F02M2700/1317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US862867A
Cited
US972357A
Cited
US1455628A
Cited
US1569435A
Cited
US1912238A
Cited
DE543656C
Cited
US2048098A
Cited
US2519106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |