Patent US2842238A successfully refreshed from Google Patents.
US2842238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated pipe cutting tool
Assignee: Individual
•
Filing: 1956-05-18
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Granted: 1958-07-08
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Expires: 1976-05-18
Abstract
No abstract record available.
Inventors
- 👤 Albert W Shaw
- 👤 Frank L Claire
- 👤 Dorothy E Bullard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:59
CPC Classifications
B; B23; B23D; B23D45/00; B23D45/12; B23D45/126; B23D21/00; B23D21/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306384; Y10T409/30644; Y10T82/00; Y10T82/25; Y10T82/2522; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/7507; Y10T83/768; Y10T83/7755; Y10T83/7788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US802215A
Cited
US1406047A
Cited
US1986413A
Cited
US2291395A
Cited
US2660128A
Cited
US2561484A
Cited
US2790496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |