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US2679686A
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Pipe cutter
Assignee: Ridge Tool Co
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Filing: 1949-02-24
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Granted: 1954-06-01
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Expires: 1969-02-24
Abstract
No abstract record available.
Inventors
- 👤 Carl H Ingwer
- 👤 Clyde E Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:20
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/06; B23D21/10; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2252
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1097152A
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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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |