US2931625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor rotor
Assignee: General Electric Co
•
Filing: 1956-12-17
•
Granted: 1960-04-05
•
Expires: 1976-12-17
Abstract
No abstract record available.
Inventors
- 👤 Lechthaler Louis Harold
- 👤 Feinberg Seymour Jacob
- 👤 Whited Henry Le Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:47
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3023; F01D5/303; F01D5/3038; F01D5/02; F01D5/06; F01D5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US672838A
Cited
US1010630A
Cited
US1687891A
Cited
US1705585A
Cited
DE560951C
Cited
US2315631A
Cited
US2393447A
Cited
US2434935A
Cited
US2619318A
Cited
US2667327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |