Patent EP0507468A2 successfully refreshed from Google Patents.
Patent US2967741A successfully refreshed from Google Patents.
US2967741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tools, particularly grinding machines
Assignee: Individual
•
Filing: 1958-01-29
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Granted: 1961-01-10
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Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Bostelmann Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:04
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/306; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/40; B24; B24B; B24B41/00; F16C29/00; F16C29/04; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1201791A
Cited
US1483330A
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US1466122A
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US1567548A
Cited
US2400374A
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US2418639A
Cited
US2607636A
Cited
US2866505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |