US3029674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube cutting machine
Assignee: E H SOUTHWELL Co
•
Filing: 1956-07-26
•
Granted: 1962-04-17
•
Expires: 1976-07-26
Abstract
No abstract record available.
Inventors
- 👤 Edward H Southwell
- 👤 Earl A Emal
- 👤 Louis C Cuhrt
- 👤 Arnold F Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D25/04; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16131; Y10T82/16426; Y10T82/16442; Y10T82/16459
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20974E
Cited
US1716424A
Cited
US1698230A
Cited
US2186061A
Cited
US2562879A
Cited
FR1012018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |