Patent US2573368A successfully refreshed from Google Patents.
US2573368A
Expired / Lapsed
US
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Reciprocatory drive for machine tools
Assignee: Barnes Drill Co
•
Filing: 1947-12-22
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Granted: 1951-10-30
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Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 Earnest Y Seborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:53
CPC Classifications
B; B24; B24B; B24B33/00; B24B33/02; B24B47/00; B24B47/02; B24B47/06; B24B47/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2020847A
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US2055530A
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US2073518A
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US2079640A
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US2108354A
Cited
US2324727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |