Patent US5647361A successfully refreshed from Google Patents.
US839797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke-consumer.
Assignee: Individual
•
Filing: 1906-04-19
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Granted: 1906-12-25
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Expires: 1926-04-19
Abstract
No abstract record available.
Inventors
- 👤 John T Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2803; F01N3/2807; F01N3/281; Y; Y10; Y10S; Y10S55/00; Y10S55/20
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) | 1909-12-24 | 1910-06-25 | 1910-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-12-24 | 1914-06-25 | 1914-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-12-24 | 1918-06-25 | 1918-12-25 | $7700.00 | Window Closed / Lapsed |