US3045620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary portable electromagnetic clamp
Assignee: Buck Manufacturing Co
•
Filing: 1956-12-10
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Granted: 1962-07-24
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Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:16
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/1543
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US923653A
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US1117662A
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US1542805A
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US1883693A
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US2314788A
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US2410183A
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US2379136A
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US2526453A
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US2563740A
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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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |