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US2592649A
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Switch structure for motor-driven tools
Assignee: Crane Packing Co
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Filing: 1950-01-26
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Granted: 1952-04-15
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Expires: 1970-01-26
Abstract
No abstract record available.
Inventors
- 👤 Brackett Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:19
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/08; B21D39/16; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20576; Y10T74/20732
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US756357A
Cited
US1546474A
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US1596013A
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US1719143A
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US1751781A
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US2237646A
Cited
US2339087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |