US2955744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor
Assignee: General Electric Co
•
Filing: 1955-05-20
•
Granted: 1960-10-11
•
Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Hemsworth Martin Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:14
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/16; F01D17/162
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1394784A
Cited
US1451694A
Cited
US1543050A
Cited
FR602060A
Cited
US1585862A
Cited
US1782498A
Cited
US2065974A
Cited
US2232847A
Cited
US2371706A
Cited
CH247831A
Cited
US2435091A
Cited
US2435092A
Cited
US2441427A
Cited
US2651496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |