US859899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermomechanical flash-light apparatus.
Assignee: ABRAHAM N GATZERT
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Filing: 1906-05-24
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Granted: 1907-07-09
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Expires: 1926-05-24
Abstract
No abstract record available.
Inventors
- 👤 Stanislaus Berens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:29
CPC Classifications
F; F23; F23C; F23C15/00; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1939; Y10T137/1963; Y10T137/8593; Y10T137/87265
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) | 1910-07-08 | 1911-01-07 | 1911-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-07-08 | 1915-01-07 | 1915-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-07-08 | 1919-01-07 | 1919-07-09 | $7700.00 | Window Closed / Lapsed |