Patent US3236136A successfully refreshed from Google Patents.
US3236136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife for cutting excess strip from a scarf joint
Assignee: NATIONAL ELECTRIC WELDING MACHINES CO
•
Filing: 1963-12-16
•
Granted: 1966-02-22
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Harold E Bach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:45
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/03; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8822; Y10T83/929; Y10T83/9454
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A CUTTER FOR USE WITH A MACHINE FOR WELDING TOGETHER ADJACENT ENDS OF STRIP MATERIAL AND SEVERING THE TAG AND EXTENDING BEYOND THE ZONE OF SUCH WELDING, COMPRISING IN COMBINATION: A MOUNTED BLOCK HAVING A RECESS IN AN OTHERWISE PLANAR LOWER SURFACE; A CUTTER BLADE AFFIXED TO THE LOWER SURFACE OF SAID MOUNTING BLOCK WITHIN SAID RECESS HAVING AT ITS LOWER SURFACE COPLANAR WITH THE REMAINING LOWER SURFACE OF SAID MOUNTING BLOCK AND INCLUDING A CUTTING EDGE OFFSET FROM SAID MOUNTING BLOCK AND POSITIONED REARWARDLY FROM THE FORWARD END THEREOF AND FORMING A ACUTE ANGLE WITH THE ADJACENT SURFACE OF SAID MOUNTING BLOCK; AND
Claim 2
Dependent Claim
104 words
A CUTTER FOR USE WITH A MACHINE FOR WELDING TOGETHER ADJACENT ENDS OF STRIP MATERIAL AND SEVERING THE TAG AND EXTENDING BEYOND THE ZONE OF SUCH WELDING, COMPRISING IN COMBINATION: A MOUNTED BLOCK HAVING A RECESS IN AN OTHERWISE PLANAR LOWER SURFACE; A CUTTER BLADE AFFIXED TO THE LOWER SURFACE OF SAID MOUNTING BLOCK WITHIN SAID RECESS HAVING AT ITS LOWER SURFACE COPLANAR WITH THE REMAINING LOWER SURFACE OF SAID MOUNTING BLOCK AND INCLUDING A CUTTING EDGE OFFSET FROM SAID MOUNTING BLOCK AND POSITIONED REARWARDLY FROM THE FORWARD END THEREOF AND FORMING A ACUTE ANGLE WITH THE ADJACENT SURFACE OF SAID MOUNTING BLOCK; AND
References Cited (Backward Citations)
CH53561A
Cited
US2393384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |