US2887064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fluid displacement pump
Assignee: GE Healthcare UK Ltd
•
Filing: 1954-08-10
•
Granted: 1959-05-19
•
Expires: 1974-08-10
Abstract
No abstract record available.
Inventors
- 👤 Say Alan William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:49
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/082; F04C2/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1096186A
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US2029742A
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US2498790A
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US2718758A
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US2624287A
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US2871730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |