Patent US2579998A successfully refreshed from Google Patents.
US2579998A
Expired / Lapsed
US
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Lathe control
Assignee: Bullard Co
•
Filing: 1945-03-09
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Granted: 1951-12-25
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Expires: 1965-03-09
Abstract
No abstract record available.
Inventors
- 👤 Edward P Bullard
- 👤 Claude M Grinage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:45
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/0009; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86397; Y10T137/86405; Y10T137/86421; Y10T137/86429; Y10T137/87048; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1663557A
Cited
US1874266A
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US2180035A
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DE673823C
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US2137222A
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US2222206A
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US2289957A
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US2311394A
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US2352183A
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US2384809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |