US3068797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slipper-type pump having flow control
Assignee: —
•
Filing: —
•
Granted: 1962-12-18
•
Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:21
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F01; F01C; F01C21/00; F01C21/10; F01C21/104; F01C21/106; F04C14/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB499585A
Cited
US2569717A
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US2700341A
Cited
US2688924A
Cited
US2716946A
Cited
US2728297A
Cited
DE1024196B
Cited
FR1182522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |