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US2764767A
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Releasable screw threading tool holder
Assignee: BOYAR SCHULTZ CORP
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Filing: 1952-09-20
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Granted: 1956-10-02
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Expires: 1972-09-20
Abstract
No abstract record available.
Inventors
- 👤 Adlaf William Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:26
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/026; B23B31/0261; Y; Y10; Y10T; Y10T408/00; Y10T408/70
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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |