Patent US2877758A successfully refreshed from Google Patents.
US2877758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: SHEFFIELD CLEVELAND CORP
•
Filing: 1954-01-06
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Granted: 1959-03-17
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Expires: 1974-01-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Fassnacht
- 👤 Axel R Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:18
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/18; B24B53/00; B24B53/06; B24B53/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2014768A
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US1993830A
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US2545730A
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US2334581A
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US2446105A
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US2576239A
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US2469077A
Cited
US2720062A
Cited
GB644744A
Cited
US2652661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |