US2534153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial cylinder pump especially intended for moving liquids
Assignee: Schweizerische Lokomotiv und Maschinenfabrik AG (SLM)
•
Filing: 1946-05-01
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Granted: 1950-12-12
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Expires: 1966-05-01
Abstract
No abstract record available.
Inventors
- 👤 Widmer Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:11
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/141; F04B1/146; F04B1/143; F04B53/00; F04B53/10; F04B53/1002; F04B7/00; F04B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE316885C
Cited
DE396973C
Cited
FR601911A
Cited
US1970679A
Cited
GB388599A
Cited
US1933081A
Cited
US1952994A
Cited
US2193612A
Cited
US2165696A
Cited
US2169456A
Cited
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 |