Patent US894180A successfully refreshed from Google Patents.
US894180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw-door safe.
Assignee: Individual
•
Filing: 1908-01-06
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Granted: 1908-07-28
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Expires: 1928-01-06
Abstract
No abstract record available.
Inventors
- 👤 Charles E Blechschmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:14
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0075; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/70; Y10T70/7006
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) | 1911-07-28 | 1912-01-27 | 1912-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-07-28 | 1916-01-27 | 1916-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-07-28 | 1920-01-27 | 1920-07-28 | $7700.00 | Window Closed / Lapsed |