US2524682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure fluid power amplifier
Assignee: Individual
•
Filing: 1947-11-26
•
Granted: 1950-10-03
•
Expires: 1967-11-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin G Staude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:38
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/10; B62D5/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US639673A
Cited
US1301757A
Cited
US1385858A
Cited
US1751276A
Cited
US1570097A
Cited
US1788378A
Cited
GB354327A
Cited
US1978667A
Cited
US2376804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |