US771406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke-consumer and spark-arrester.
Assignee: ROGER W HARRIS
•
Filing: 1904-07-01
•
Granted: 1904-10-04
•
Expires: 1924-07-01
Abstract
No abstract record available.
Inventors
- 👤 George Willet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:44
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1417
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) | 1907-10-04 | 1908-04-04 | 1908-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-04 | 1912-04-04 | 1912-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-04 | 1916-04-04 | 1916-10-04 | $7700.00 | Window Closed / Lapsed |