US2321735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and machine for severing tubes
Assignee: CLIFFORD Manufacturing Co
•
Filing: 1942-01-12
•
Granted: 1943-06-15
•
Expires: 1962-01-12
Abstract
No abstract record available.
Inventors
- 👤 Walter B Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:38
CPC Classifications
B; B23; B23D; B23D47/00; B23D47/04; B23D47/045; B23D47/047; B26; B26D; B26D3/00; B26D3/16; Y; Y10; Y10T; Y10T82/00; Y10T82/16; Y10T82/16016; Y10T82/16426; Y10T82/16803; Y10T82/16967; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6545; Y10T83/6547; Y10T83/6548; Y10T83/6555; Y10T83/6558; Y10T83/656
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1946-06-14 | 1946-12-14 | 1947-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-14 | 1950-12-14 | 1951-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-14 | 1954-12-14 | 1955-06-15 | $7700.00 | Window Closed / Lapsed |