US2302014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-controlled operating apparatus
Assignee: Individual
•
Filing: 1942-08-03
•
Granted: 1942-11-17
•
Expires: 1962-08-03
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Fausek
- 👤 Irwing F Fausek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:23
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/14; B63G8/24; B63G8/22; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0801; Y10T137/085; Y10T137/1842; Y10T137/1939; Y10T137/2012; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-11-16 | 1946-05-18 | 1946-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-11-16 | 1950-05-18 | 1950-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-11-16 | 1954-05-18 | 1954-11-17 | $7700.00 | Window Closed / Lapsed |