Patent US2115103A successfully refreshed from Google Patents.
US2115103A
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US
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Muffler
Assignee: BUFFALO PRESSED STEEL Co
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Filing: 1936-12-21
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Granted: 1938-04-26
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Expires: 1956-12-21
Abstract
No abstract record available.
Inventors
- 👤 Lucien L Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:35
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N1/00; F01N1/003; F01N1/006; F01N1/02; F01N1/023; F01N2450/00; F01N2450/22; F01N2470/00; F01N2470/02; F01N2470/24; F01N2490/00; F01N2490/15; F01N2490/155
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) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |