Patent US538758A successfully refreshed from Google Patents.
US970649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket-igniter.
Assignee: Individual
•
Filing: 1909-12-15
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Granted: 1910-09-20
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Expires: 1929-12-15
Abstract
No abstract record available.
Inventors
- 👤 Luedwig Schoen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:20
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/02; F23Q2/04; F23Q2/06; F23Q2/08
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) | 1913-09-19 | 1914-03-21 | 1914-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-19 | 1918-03-21 | 1918-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-19 | 1922-03-21 | 1922-09-20 | $7700.00 | Window Closed / Lapsed |