Patent US2814431A successfully refreshed from Google Patents.
US2814431A
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Compressor
Assignee: General Electric Co
•
Filing: 1954-09-29
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Granted: 1957-11-26
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Expires: 1974-09-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Darrow
- 👤 Robert H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:49
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46; F04D29/462; F04D29/464; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1089062A
Cited
US1188995A
Cited
GB285815A
Cited
GB305214A
Cited
FR829826A
Cited
FR50411E
Cited
US2285976A
Cited
US2273458A
Cited
FR883727A
Cited
GB611726A
Cited
US2648195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |