US3428327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick release rotary tool chuck
Assignee: Black and Decker Corp
•
Filing: 1966-09-19
•
Granted: 1969-02-18
•
Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 William F Sindelar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:17
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/0007; B25B23/0035; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17666; Y10T279/17692; Y10T279/17743; Y10T279/17752; Y10T279/17761; Y10T279/17811
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2010210A
Cited
US2008894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |