US2125449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler
Assignee: HAYES IND Inc
•
Filing: 1935-04-05
•
Granted: 1938-08-02
•
Expires: 1955-04-05
Abstract
No abstract record available.
Inventors
- 👤 Riethmiller Ruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:41
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N1/00; F01N1/02; F01N1/08; F01N1/084; F01N2260/00; F01N2260/14; F01N2470/00; F01N2470/02; F01N2470/10; F01N2490/00; F01N2490/02; F01N2490/06; F01N2490/15; F01N2490/155
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1941-08-01 | 1942-01-31 | 1942-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-01 | 1946-01-31 | 1946-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-01 | 1950-01-31 | 1950-08-02 | $7700.00 | Window Closed / Lapsed |