Patent US2714213A successfully refreshed from Google Patents.
US2714213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural work holders retractable only upon fully advanced position of each work holder
Assignee: Individual
•
Filing: 1953-04-23
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Granted: 1955-08-02
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Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 Holzer Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:07
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/16; B23G1/20; B23G1/205; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3806; Y10T408/47; Y10T408/488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US810054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |