Patent US1104987A successfully refreshed from Google Patents.
US1104987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable-blade-connecting device for tools.
Assignee: Individual
•
Filing: 1914-01-12
•
Granted: 1914-07-28
•
Expires: 1934-01-12
Abstract
No abstract record available.
Inventors
- 👤 John Willis Grimes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:50
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B51/00; B23B51/10; B23B51/109; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/909; Y10T408/9098; Y10T408/90987
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) | 1917-07-27 | 1918-01-26 | 1918-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-07-27 | 1922-01-26 | 1922-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-07-27 | 1926-01-26 | 1926-07-28 | $7700.00 | Window Closed / Lapsed |