US3396981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chucking apparatus
Assignee: STANWICH INDUSTRIES Inc
•
Filing: 1965-01-18
•
Granted: 1968-08-13
•
Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Earl J Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:29
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B2260/00; B23B2260/02; F; F16; F16B; F16B2200/00; F16B2200/50; F16B2200/506; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17769; Y10T279/17863; Y10T403/00; Y10T403/59; Y10T403/591; Y10T408/00; Y10T408/94; Y10T408/95
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1024172A
Cited
US1285866A
Cited
DE399266C
Cited
US1812221A
Cited
US2478382A
Cited
US2931660A
Cited
US2948559A
Cited
US3179450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |