US2999630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: General Electric Co
•
Filing: 1957-08-08
•
Granted: 1961-09-12
•
Expires: 1977-08-08
Abstract
No abstract record available.
Inventors
- 👤 Warren Robert Evans
- 👤 Nagel Felix Ernst
- 👤 Neumann Gerhard
- 👤 Le Var C Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:03
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162; F04; F04D; F04D29/00; F04D29/40; F04D29/52; F04D29/54; F04D29/56; F04D29/563; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20396; Y10T74/20468; Y10T74/20576; Y10T74/20882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1907506A
Cited
US2371706A
Cited
US2651492A
Cited
US2814430A
Cited
GB754335A
Cited
US2858062A
Cited
US2842305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |