Patent US2016254A successfully refreshed from Google Patents.
US2016254A
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Muffler
Assignee: NOBLITT SPARKS IND Inc
•
Filing: 1931-08-03
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Granted: 1935-10-01
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Expires: 1951-08-03
Abstract
No abstract record available.
Inventors
- 👤 Quintin G Noblitt
- 👤 Earl C Booth
- 👤 Ludlow Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:49
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N13/1844; F01N13/185; F01N1/00; F01N1/08; F01N13/1888; F01N13/1894; F01N2260/00; F01N2260/18; F01N2450/00; F01N2450/20; F01N2450/22; F01N2470/00; F01N2470/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-09-30 | 1939-04-01 | 1939-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-30 | 1943-04-01 | 1943-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-30 | 1947-04-01 | 1947-10-01 | $7700.00 | Window Closed / Lapsed |