US1484526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler
Assignee: Individual
•
Filing: 1921-05-03
•
Granted: 1924-02-19
•
Expires: 1941-05-03
Abstract
No abstract record available.
Inventors
- 👤 Michael J O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:09
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1838; F01N13/1844; F01N13/1855; F01N1/00; F01N1/08; F01N1/084; F01N1/14; F01N13/1888; F01N13/1894; F01N3/00; F01N3/02; F01N3/05; F01N2260/00; F01N2260/18; F01N2450/00; F01N2450/24; F01N2470/00; F01N2470/02; F01N2470/14; F01N2470/24; F01N2470/30; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
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) | 1927-02-18 | 1927-08-20 | 1928-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-02-18 | 1931-08-20 | 1932-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-02-18 | 1935-08-20 | 1936-02-19 | $7700.00 | Window Closed / Lapsed |