Patent US2185473A successfully refreshed from Google Patents.
US2185473A
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US
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Compressor unloading means
Assignee: Old Carco LLC
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Filing: 1937-12-02
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Granted: 1940-01-02
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Expires: 1957-12-02
Abstract
No abstract record available.
Inventors
- 👤 Charles R Neeson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:21
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; F25B2400/00; F25B2400/07; F25B2400/074; F25B2600/00; F25B2600/02; F25B2600/026; F25B2700/00; F25B2700/21; F25B2700/2116; F25B2700/21163; F25B2700/2117; F25B2700/21175
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) | 1943-01-01 | 1943-07-03 | 1944-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-01 | 1947-07-03 | 1948-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-01 | 1951-07-03 | 1952-01-02 | $7700.00 | Window Closed / Lapsed |