US3186274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for removing waste resulting from cutting window openings in sheet material
Assignee: Berkley Machine Co
•
Filing: 1961-11-21
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Granted: 1965-06-01
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Expires: 1981-11-21
Abstract
No abstract record available.
Inventors
- 👤 Winkler Richard
- 👤 Dunnebier Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:13
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/82; B31B70/83; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/106; Y; Y10; Y10S; Y10S83/00; Y10S83/911; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2079; Y10T83/2092; Y10T83/2096; Y10T83/21; Y10T83/2105; Y10T83/2107; Y10T83/2109; Y10T83/2183; Y10T83/2185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN COMBINATION WITH A ROTABLE CYLINDER HAVING A HARD SMOOTH ARCUATE SURFACE COOPERATING WITH A ROTATABLE CYLINDER HAVING SPACED KNIFE FOR COMPLETING CUT OF A WINDOW OPENING IN A WEB OR THE LIKE UNDER MOVEMENT AROUND THE CYLINDER WITH THE HARD SURFACE, A MOVABLE NEEDLE CARRIED BY THE KNIFE CARRYING CYLINDER AND DISPOSED BETWEEN SAID SPACED KNIFE MEANS AND HAVING A POINT FO PENETRATING THE WE OF THE KNIFE WHILE THE WEB OVERLIES THE HARD SURFACE AND IS BEING CARRIED UPON SAID HARD SURFACE TO PICK OUT WASTE PRODUCED IN THE WINDOW OPENING INCIDENTAL TO ROTATION OF SAID CYLINDERS, AND SPRING MEANS RESILIENTLY BACKING THE NEEDLE AND HAVING SUFFICIENT STRENGTH TO PERMIT THE NEEDLE TO BE YIELDABLE WHILE ALLOWING PENETRATION INTO SAID WASTE PORTION.
Claim 2
Dependent Claim
124 words
IN COMBINATION WITH A ROTABLE CYLINDER HAVING A HARD SMOOTH ARCUATE SURFACE COOPERATING WITH A ROTATABLE CYLINDER HAVING SPACED KNIFE FOR COMPLETING CUT OF A WINDOW OPENING IN A WEB OR THE LIKE UNDER MOVEMENT AROUND THE CYLINDER WITH THE HARD SURFACE, A MOVABLE NEEDLE CARRIED BY THE KNIFE CARRYING CYLINDER AND DISPOSED BETWEEN SAID SPACED KNIFE MEANS AND HAVING A POINT FO PENETRATING THE WE OF THE KNIFE WHILE THE WEB OVERLIES THE HARD SURFACE AND IS BEING CARRIED UPON SAID HARD SURFACE TO PICK OUT WASTE PRODUCED IN THE WINDOW OPENING INCIDENTAL TO ROTATION OF SAID CYLINDERS, AND SPRING MEANS RESILIENTLY BACKING THE NEEDLE AND HAVING SUFFICIENT STRENGTH TO PERMIT THE NEEDLE TO BE YIELDABLE WHILE ALLOWING PENETRATION INTO SAID WASTE PORTION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |