US3456957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-change tool holder with collar locking member
Assignee: STANWICH INDUSTRIES Inc
•
Filing: 1967-08-11
•
Granted: 1969-07-22
•
Expires: 1987-08-11
Abstract
No abstract record available.
Inventors
- 👤 Roland G Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/113; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17863; Y10T279/17871; Y10T279/17881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1034723A
Cited
US3380746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |