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Patent US807779A successfully refreshed from Google Patents.
US807779A
Expired / Lapsed
US
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Safety-chain for doors.
Assignee: Individual
•
Filing: 1905-08-08
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Granted: 1905-12-19
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Expires: 1925-08-08
Abstract
No abstract record available.
Inventors
- 👤 Clement D Rinald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:44
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/36; E05C17/365; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/283
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) | 1908-12-18 | 1909-06-19 | 1909-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-12-18 | 1913-06-19 | 1913-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-12-18 | 1917-06-19 | 1917-12-19 | $7700.00 | Window Closed / Lapsed |