US2882993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silencer
Assignee: Chance Vought Aircraft Inc
•
Filing: 1955-02-16
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Granted: 1959-04-21
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Expires: 1975-02-16
Abstract
No abstract record available.
Inventors
- 👤 Kenneth T Murty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:11
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/02; F16L55/027; F16L55/02709; F16L55/02718; Y; Y10; Y10S; Y10S454/00; Y10S454/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |