Patent DE501252C successfully refreshed from Google Patents.
US897852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-fuse.
Assignee: SACHS Co
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Filing: 1907-05-18
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Granted: 1908-09-01
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Expires: 1927-05-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph Sachs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/044; H01H85/045; H01H85/0456
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) | 1911-09-01 | 1912-03-02 | 1912-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-09-01 | 1916-03-02 | 1916-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-09-01 | 1920-03-02 | 1920-09-01 | $7700.00 | Window Closed / Lapsed |