US2200892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating device for compressed fluid generators of the free pistons type
Assignee: D'ETUDES ET DE PARTICIPATIONS Ste
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Filing: 1936-11-03
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Granted: 1940-05-14
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Expires: 1956-11-03
Abstract
No abstract record available.
Inventors
- 👤 Pescara Raul Pateras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:17
CPC Classifications
F; F02; F02B; F02B71/00; F02B71/04; F02B71/06; Y; Y10; Y10S; Y10S60/00; Y10S60/91
Claims Analysis
Total Claims: 0
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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) | 1943-05-14 | 1943-11-13 | 1944-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-14 | 1947-11-13 | 1948-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-14 | 1951-11-13 | 1952-05-14 | $7700.00 | Window Closed / Lapsed |