US2475247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetary piston fluid displacement mechanism
Assignee: Individual
•
Filing: 1944-05-22
•
Granted: 1949-07-05
•
Expires: 1964-05-22
Abstract
No abstract record available.
Inventors
- 👤 Mikulasek John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:35
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/02; F01C1/0207; F01C1/023; F01C21/00; F01C21/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US801182A
Cited
US1041721A
Cited
FR427656A
Cited
US1376291A
Cited
AT129104B
Cited
GB367086A
Cited
DE642074C
Cited
US2324168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |