Patent US2615618A successfully refreshed from Google Patents.
US2615618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: Individual
•
Filing: 1947-07-31
•
Granted: 1952-10-28
•
Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Chabay Marcel Rene Armand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:55
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/08; F04B7/00; F04B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US304836A
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US421414A
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US583075A
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US635531A
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US711939A
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AT76256B
Cited
US1668664A
Cited
US1891083A
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US1938472A
Cited
US2113691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |