Patent US3049842A successfully refreshed from Google Patents.
US3049842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable grinding machine
Assignee: CF Scheer und Cie GmbH and Co KG
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Filing: 1960-04-05
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Granted: 1962-08-21
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Expires: 1980-04-05
Abstract
No abstract record available.
Inventors
- 👤 Murschel Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:06
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/06; B24B55/10; B24B55/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2069502A
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US2718735A
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US2774198A
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US2844834A
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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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |