US2961150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame structure for turbo-machine
Assignee: General Electric Co
•
Filing: 1958-12-30
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Granted: 1960-11-22
•
Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 John C Pirtle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:45
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/16; F01D25/162; F01D25/02; F01D9/00; F01D9/06; F01D9/065; F02; F02K; F02K3/00; F02K3/02; F02K3/04; F02K3/062; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2505660A
Cited
US2620624A
Cited
US2692724A
Cited
US2711074A
Cited
US2891382A
Cited
US2859934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |