US2484848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure controlling apparatus
Assignee: Joy Manufacturing Co
•
Filing: 1942-12-14
•
Granted: 1949-10-18
•
Expires: 1962-12-14
Abstract
No abstract record available.
Inventors
- 👤 Win W Paget
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:39
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2294693A
Cited
US530773A
Cited
US1508398A
Cited
FR679386A
Cited
FR748591A
Cited
US2208554A
Cited
GB521623A
Cited
US2291101A
Cited
US2307199A
Cited
US2289639A
Cited
US2316416A
Cited
US2396116A
Cited
US2461415A
Cited
US2425000A
Cited
US2435819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |