US3336839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for removing burrs from welds
Assignee: HA Schlatter AG
•
Filing: 1965-07-08
•
Granted: 1967-08-22
•
Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Welter-Kluft Erika
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:06
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; B23D79/026; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T409/501968; Y10T409/509348; Y10T409/509676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
APPARATUS FOR REMOVING WELD BURRS FROM BUTT-WELDED MATERIAL IN BAR FORM AND OF CONSTANT CROSS-SECTION COMPRISING: (A) A FRAME OPEN AT TWO OF ITS OPPOSITE ENDS FOR THE PASSAGE OF THE MATERIAL THERETHROUGH, (B) A MULTIPLICITY OF DEBURRING KNIVES CARRIED BY SAID FRAME AND EACH BEING ADAPTED TO SERVE A PORTION OF THE MATERIAL SURFACE, (C) AT LEAST ONE OF THE KNIVES OF SAID MULTIPLICITY THEREOF BEING MOVABLE ON SAID FRAME BETWEEN OPERATIVE AND WITHDRAWN NORMAL POSITIONS, (D) MEANS FOR ADVANCING AND RETURNING SAID MOVABLE KNIFE BETWEEN THE OPERATIVE AND WITHDRAWN NORMAL POSITIONS,
Claim 2
Dependent Claim
93 words
APPARATUS FOR REMOVING WELD BURRS FROM BUTT-WELDED MATERIAL IN BAR FORM AND OF CONSTANT CROSS-SECTION COMPRISING: (A) A FRAME OPEN AT TWO OF ITS OPPOSITE ENDS FOR THE PASSAGE OF THE MATERIAL THERETHROUGH, (B) A MULTIPLICITY OF DEBURRING KNIVES CARRIED BY SAID FRAME AND EACH BEING ADAPTED TO SERVE A PORTION OF THE MATERIAL SURFACE, (C) AT LEAST ONE OF THE KNIVES OF SAID MULTIPLICITY THEREOF BEING MOVABLE ON SAID FRAME BETWEEN OPERATIVE AND WITHDRAWN NORMAL POSITIONS, (D) MEANS FOR ADVANCING AND RETURNING SAID MOVABLE KNIFE BETWEEN THE OPERATIVE AND WITHDRAWN NORMAL POSITIONS,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |