US3067694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston pump
Assignee: Lear Siegler Inc
•
Filing: 1959-12-24
•
Granted: 1962-12-11
•
Expires: 1979-12-24
Abstract
No abstract record available.
Inventors
- 👤 Kenneth I Fancher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:35
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/122; F04B1/124; F04B1/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1418598A
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CA582521A
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US1714145A
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US2287203A
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US2329912A
Cited
US2405938A
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US2776629A
Cited
US2847938A
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FR1146899A
Cited
US2929551A
Cited
US2925046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |