US2486982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pnoumatic power unit
Assignee: —
•
Filing: —
•
Granted: 1949-11-01
•
Expires: 1966-11-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:53
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/22; F04B49/24; F04B49/243; F01; F01B; F01B1/00; F01B1/06; F01B1/062; F01B1/0624; F01B1/0634; F01B17/00; F01B17/02; F16; F16H; F16H39/00; F16H39/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |