US934488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening-button.
Assignee: Individual
•
Filing: 1905-12-04
•
Granted: 1909-09-21
•
Expires: 1925-12-04
Abstract
No abstract record available.
Inventors
- 👤 Edward L Watrous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
CPC Classifications
E; E05; E05F; E05F11/00; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/041; E05C3/042; Y; Y10; Y10S; Y10S292/00; Y10S292/35; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1075; Y10T292/1083
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) | 1912-09-20 | 1913-03-22 | 1913-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-09-20 | 1917-03-22 | 1917-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-09-20 | 1921-03-22 | 1921-09-21 | $7700.00 | Window Closed / Lapsed |