Patent US2802385A successfully refreshed from Google Patents.
US2802385A
Expired / Lapsed
US
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Tailstock clamp unit
Assignee: Individual
•
Filing: 1953-11-04
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Granted: 1957-08-13
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Expires: 1973-11-04
Abstract
No abstract record available.
Inventors
- 👤 Walter V Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:44
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/4459; Y10T82/00; Y10T82/25; Y10T82/2564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US257883A
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US646750A
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AT7632B
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GB190616258A
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US981426A
Cited
US991675A
Cited
US1490405A
Cited
US1664757A
Cited
US1616136A
Cited
US1966409A
Cited
US2430677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |