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Patent US2484826A successfully refreshed from Google Patents.
US2484826A
Expired / Lapsed
US
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Silencer with flattened corrugated gas passage
Assignee: Individual
•
Filing: 1945-02-02
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Granted: 1949-10-18
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Expires: 1965-02-02
Abstract
No abstract record available.
Inventors
- 👤 Bertron G Harley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:24
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1872; F01N13/1877; F01N1/00; F01N1/08; F01N13/1838; F01N13/1844; F01N13/185; F01N3/00; F01N3/02; F01N3/05; F01N2450/00; F01N2450/20; F01N2470/00; F01N2470/06; F01N2470/10; F01N2470/30; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |