Patent US2420987A successfully refreshed from Google Patents.
US2420987A
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Mine cable cutter
Assignee: TEMPLE VELOCITY EQUIPMENT Inc
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Filing: 1941-12-31
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Granted: 1947-05-20
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Expires: 1961-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert Temple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:03
CPC Classifications
B; B63; B63G; B63G7/00; B63G7/02; B63G7/04; Y; Y10; Y10T; Y10T83/00; Y10T83/525; Y10T83/541; Y10T83/869; Y10T83/8821; Y10T83/8858; Y10T83/8863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE308571C
Cited
DE174922C
Cited
GB134069A
Cited
US1304549A
Cited
GB191413921A
Cited
GB127640A
Cited
US1397911A
Cited
US2017329A
Cited
US2140338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |