US2902207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin-piston machine working according to a two-stroke cycle for producing compressed fluids
Assignee: Individual
•
Filing: 1957-04-08
•
Granted: 1959-09-01
•
Expires: 1977-04-08
Abstract
No abstract record available.
Inventors
- 👤 Burion Etienne Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:17
CPC Classifications
F; F04; F04B; F04B35/00; Y; Y10; Y10S; Y10S116/00; Y10S116/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1277779A
Cited
GB293477A
Cited
US2027877A
Cited
US2079289A
Cited
US2132083A
Cited
US2232631A
Cited
US2578439A
Cited
US2420426A
Cited
FR999940A
Cited
US2800270A
Cited
FR1064507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |