US807043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door opening and closing device.
Assignee: Individual
•
Filing: 1905-06-07
•
Granted: 1905-12-12
•
Expires: 1925-06-07
Abstract
No abstract record available.
Inventors
- 👤 Kenzaemon Nishimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:33
CPC Classifications
E; E05; E05F; E05F13/00; E05F13/04; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
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) | 1908-12-11 | 1909-06-12 | 1909-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-11 | 1913-06-12 | 1913-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-11 | 1917-06-12 | 1917-12-12 | $7700.00 | Window Closed / Lapsed |