US941906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door-knob fastener.
Assignee: Individual
•
Filing: 1908-11-18
•
Granted: 1909-11-30
•
Expires: 1928-11-18
Abstract
No abstract record available.
Inventors
- 👤 Frank E Beardsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:15
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/04; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906; Y10T292/00; Y10T292/85; Y10T292/869; Y10T403/00; Y10T403/60; Y10T403/606
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1912-11-29 | 1913-05-31 | 1913-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-29 | 1917-05-31 | 1917-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-29 | 1921-05-31 | 1921-11-30 | $7700.00 | Window Closed / Lapsed |