Patent US2836345A successfully refreshed from Google Patents.
US2836345A
Expired / Lapsed
US
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Capacity control for compressors
Assignee: —
•
Filing: 1954-02-26
•
Granted: 1958-05-27
•
Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:40
CPC Classifications
F; F04; F04B; F04B49/00; F04B49/02; F04B49/03; F25; F25B; F25B49/00; F25B49/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1354580A
Cited
US2011333A
Cited
US2305519A
Cited
US2615671A
Cited
GB634803A
Cited
US2638265A
Cited
US2673025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |