US2836392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc vibration damping means
Assignee: RTX Corp
•
Filing: 1953-06-03
•
Granted: 1958-05-27
•
Expires: 1973-06-03
Abstract
No abstract record available.
Inventors
- 👤 Charles E Spacth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:26
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/005; F01D11/006; F01D5/00; F01D5/12; F01D5/22; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436087A
Cited
GB595643A
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GB628036A
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US2537739A
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US2595829A
Cited
GB651449A
Cited
GB667979A
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GB670665A
Cited
US2631680A
Cited
US2664240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |