US3016017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary pumps and motors
Assignee: Brakeshoe International S A
•
Filing: 1959-08-21
•
Granted: 1962-01-09
•
Expires: 1979-08-21
Abstract
No abstract record available.
Inventors
- 👤 Prendergast Charles Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:52
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223; F04C11/00; F04C11/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US722560A
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US2013397A
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US1927799A
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US2358275A
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US2368789A
Cited
US2513446A
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DE819195C
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GB743088A
Cited
US2754762A
Cited
US2885960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |