US2851246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine or compressor construction and method of assembly
Assignee: RTX Corp
•
Filing: 1956-10-24
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Granted: 1958-09-09
•
Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Arnold D Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:48
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/24; F01D25/246; F01D5/00; F01D5/02; F01D5/06; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB652150A
Cited
US2749026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |