US821828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler.
Assignee: SHAWMUT MOTOR Co
•
Filing: 1905-04-10
•
Granted: 1906-05-29
•
Expires: 1925-04-10
Abstract
No abstract record available.
Inventors
- 👤 Lucius J Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:21
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/02; F16L55/027; F16L55/02781; F16L55/02709; F16L55/02718; F16L55/033; F16L55/0336; Y; Y10; Y10S; Y10S55/00; Y10S55/30
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) | 1909-05-28 | 1909-11-27 | 1910-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-28 | 1913-11-27 | 1914-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-28 | 1917-11-27 | 1918-05-29 | $7700.00 | Window Closed / Lapsed |