US2872156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vane retaining device
Assignee: RTX Corp
•
Filing: 1956-08-20
•
Granted: 1959-02-03
•
Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 William H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:03
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/225; F01D5/30; F01D5/3053; F01D9/00; F01D9/02; F01D9/04; F01D9/042; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1606029A
Cited
US961328A
Cited
US2317338A
Cited
US2658718A
Cited
US2651494A
Cited
US2640679A
Cited
GB740909A
Cited
FR1113109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |