US3156092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hybrid demonstrator
Assignee: RTX Corp
•
Filing: 1962-08-09
•
Granted: 1964-11-10
•
Expires: 1982-08-09
Abstract
No abstract record available.
Inventors
- 👤 Allen L Holzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:25
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72; F02B; F02B3/00; F02F; F02F7/00; F02F7/0085; F02F2007/0092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1958773A
Cited
US2519889A
Cited
US2632294A
Cited
US2791883A
Cited
US2990682A
Cited
US2771741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |