US2533965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Parker Appliance Co
•
Filing: 1946-12-24
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Granted: 1950-12-12
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Expires: 1966-12-24
Abstract
No abstract record available.
Inventors
- 👤 Leland H Schmohl
- 👤 John L Habe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:14
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/109; F04B53/1092; F16; F16K; F16K15/00; F16K15/14; F16K15/141; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/7722; Y10T137/7837; Y10T137/7866; Y10T137/7879; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |