Patent US2994923A successfully refreshed from Google Patents.
US2994923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for cutting pipe while
Assignee: —
•
Filing: —
•
Granted: 1961-08-08
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Expires: 1978-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:29
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/16; B29; B29C; B29C48/00; B29C48/001; B29C48/0022; B29C2793/00; B29C2793/0027; B29C48/03; B29C48/09; Y; Y10; Y10T; Y10T82/00; Y10T82/10; Y10T82/16; Y10T82/16016; Y10T83/00; Y10T83/04; Y10T83/0405; Y10T83/0443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |