US1149699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler.
Assignee: Individual
•
Filing: 1911-09-22
•
Granted: 1915-08-10
•
Expires: 1931-09-22
Abstract
No abstract record available.
Inventors
- 👤 Fred W Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:50
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/02; B60H1/14; B60H1/18; F; F01; F01P; F01P5/00; F01P5/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879
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) | 1918-08-09 | 1919-02-08 | 1919-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-09 | 1923-02-08 | 1923-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-09 | 1927-02-08 | 1927-08-10 | $7700.00 | Window Closed / Lapsed |