US3022084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder and tool shank construction
Assignee: Beaver Tool & Engineering Corp
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Filing: 1960-08-04
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Granted: 1962-02-20
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Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 David D Dresback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:59
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/107; B23B31/1075; B23B31/1076; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17821; Y10T408/00; Y10T408/94; Y10T408/95; Y10T82/00; Y10T82/25; Y10T82/2568
Claims Analysis
Total Claims: 0
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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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |