Patent US647379A successfully refreshed from Google Patents.
US647379A
Expired / Lapsed
US
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Cushion device for doors.
Assignee: Individual
•
Filing: 1899-08-26
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Granted: 1900-04-10
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Expires: 1919-08-26
Abstract
No abstract record available.
Inventors
- 👤 William Francis Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:18
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/18; E06B7/20; Y; Y10; Y10S; Y10S277/00; Y10S277/921; Y10T; Y10T70/00; Y10T70/80; Y10T70/8892
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) | 1903-04-10 | 1903-10-10 | 1904-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-04-10 | 1907-10-10 | 1908-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-04-10 | 1911-10-10 | 1912-04-10 | $7700.00 | Window Closed / Lapsed |