US2816510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear pump
Assignee: GE Healthcare UK Ltd
•
Filing: 1950-02-14
•
Granted: 1957-12-17
•
Expires: 1970-02-14
Abstract
No abstract record available.
Inventors
- 👤 Percival J Jarvis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:51
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1719025A
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US1620261A
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US1795579A
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US1780109A
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US1972632A
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US2044873A
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US2147777A
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US2405061A
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US2444165A
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US2472031A
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US2487732A
Cited
US2527941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |