US2936583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive feedback abatement means
Assignee: RTX Corp
•
Filing: 1958-12-31
•
Granted: 1960-05-17
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Robert F Turek
- 👤 Francis P Schierberl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:57
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2481395A
Cited
US2857741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |