Patent US3012304A successfully refreshed from Google Patents.
US3012304A
Expired / Lapsed
US
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Machine tool carriage locking means
Assignee: Individual
•
Filing: 1957-10-28
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Granted: 1961-12-12
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Havilah S Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:39
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; B23Q5/00; B23Q5/22; B23Q2705/00; B23Q2705/10; B23Q2705/102; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2572; Y10T82/2585
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |