Patent US3495844A successfully refreshed from Google Patents.
US3495844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chuck for rotary tool
Assignee: Individual
•
Filing: 1966-06-13
•
Granted: 1970-02-17
•
Expires: 1986-06-13
Abstract
No abstract record available.
Inventors
- 👤 William C Dee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:31
CPC Classifications
A; A61; A61C; A61C1/00; A61C1/08; A61C1/14; A61C1/142; A61C1/144; B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/14; B23B31/142; B23B31/20; B23B31/201; B23B31/202; B23B2231/00; B23B2231/20; B23B2231/201; B23B2231/2021; B23B2231/2089; B23B2231/2091; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17231; Y10T279/17411; Y10T279/17418; Y10T279/17435; Y10T279/29
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |