Patent US3110614A successfully refreshed from Google Patents.
US2356835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapered sleeve or socket for drills and other tapered shank tools
Assignee: Individual
•
Filing: 1943-04-10
•
Granted: 1944-08-29
•
Expires: 1963-04-10
Abstract
No abstract record available.
Inventors
- 👤 Cecil H Duckett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/117; B23B31/1173; B23B51/00; B23B51/12; B23B51/123; Y; Y10; Y10S; Y10S408/00; Y10S408/714; Y10T; Y10T279/00; Y10T279/17; Y10T279/17957; Y10T279/17965; Y10T403/00; Y10T403/45; Y10T403/459; Y10T403/70; Y10T403/7047; Y10T403/7061; Y10T408/00; Y10T408/94
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) | 1947-08-29 | 1948-02-28 | 1948-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-29 | 1952-02-28 | 1952-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-29 | 1956-02-28 | 1956-08-29 | $7700.00 | Window Closed / Lapsed |