US2918009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection-compressor apparatus
Assignee: Dieny & Lucas Soc Nouv
•
Filing: 1958-01-28
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Granted: 1959-12-22
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Expires: 1978-01-28
Abstract
No abstract record available.
Inventors
- 👤 Crevoisier Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:31
CPC Classifications
F; F02; F02M; F02M43/00; F02M43/02; F04; F04C; F04C18/00; F04C18/30; F04C18/34; F04C18/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1757514A
Cited
US1804604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |