US871775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffler.
Assignee: CONSOLIDATED SAFETY VALVE Co
•
Filing: 1907-07-22
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Granted: 1907-11-26
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Expires: 1927-07-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Blanchard
- 👤 Ernest B Crocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:47
CPC Classifications
F; F01; F01N; F01N1/00; F01N1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2774; Y10T137/2802; Y10T137/2808; Y10T137/7722; Y10T137/7738; Y10T137/7744; Y10T137/7745; Y10T137/7747
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) | 1910-11-25 | 1911-05-27 | 1911-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-11-25 | 1915-05-27 | 1915-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-11-25 | 1919-05-27 | 1919-11-26 | $7700.00 | Window Closed / Lapsed |