Patent JPS5397115A successfully refreshed from Google Patents.
Patent US2932254A successfully refreshed from Google Patents.
US2932254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear pump
Assignee: GE Healthcare UK Ltd
•
Filing: 1955-05-02
•
Granted: 1960-04-12
•
Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Booth Douglas Gerhard
- 👤 Wood Robert Spurgeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:08
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0088; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |