US2585406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid cross vane rotary pump
Assignee: BENJAMIN N TAGER
•
Filing: 1947-08-04
•
Granted: 1952-02-12
•
Expires: 1967-08-04
Abstract
No abstract record available.
Inventors
- 👤 Lee T Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:02
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3441; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49236; Y10T29/49245; Y10T29/49995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1196977A
Cited
US1626510A
Cited
US1938854A
Cited
US1974112A
Cited
US2046873A
Cited
US2032885A
Cited
US2351817A
Cited
US2359903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |