US2562101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for silencing noise producing gases
Assignee: Burgess-Manning Co
•
Filing: 1946-03-08
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Granted: 1951-07-24
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Expires: 1966-03-08
Abstract
No abstract record available.
Inventors
- 👤 Robert L Hoyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:59
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/007; F01N1/00; F01N1/08; F01N1/089; F02; F02M; F02M35/00; F02M35/12; F02M35/1205; F02M35/1216; F02M35/1227; F02M35/1233; F01N2470/00; F01N2470/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR753606A
Cited
US2066467A
Cited
FR48791E
Cited
US2150768A
Cited
US2213614A
Cited
US2239549A
Cited
US2326612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |