Patent US3450794A successfully refreshed from Google Patents.
US3236129A
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Apparatus for controlled penetration slitting
Assignee: PIERCE SPECIALIZED EQUIPMENT CO
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Filing: 1963-10-23
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Granted: 1966-02-22
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Lewis H Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/24; B26D1/245; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/647; Y10T83/6584; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/861; Y10T83/929; Y10T83/9457; Y10T83/9488
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN APPARATUS FOR CONTROLLED PENETRATION SLITTING OF SHEETS, A FRAMEWORK, MEANS INCLUDING AT LEAST ONE ROLLER MOUNTED UPON THE FRAMEWORK AND ADVANCING THE SHEETS SO THAT THE SHEETS PASS OVER THE ROLLER, A SHAFT ROTATABLY MOUNTED IN THE FRAMEWORK AND EXTENDING PARALLEL TO SAID ROLLER, AT LEAST ONE HOLDER MOUNTED UPON SAID SHAFT FOR ADJUSTMENT LONGITUDINALLY OF THE SHAFT, THE HOLDER HAVING A CUTTING BLADE OVERLYING THE ROLLER, A MICROMETER MEANS FOR ADJUSTING THE ANGULAR POSITION OF THE SHAFT RELATIVE TO THE FRAMEWORK TO CONTROL THE PENETRATION OF THE BLADE HELD BY THE HOLDER INTO THE SHEET AS THEY ARE ADVANCED OVER THE ROLLER.
Claim 2
Dependent Claim
104 words
IN APPARATUS FOR CONTROLLED PENETRATION SLITTING OF SHEETS, A FRAMEWORK, MEANS INCLUDING AT LEAST ONE ROLLER MOUNTED UPON THE FRAMEWORK AND ADVANCING THE SHEETS SO THAT THE SHEETS PASS OVER THE ROLLER, A SHAFT ROTATABLY MOUNTED IN THE FRAMEWORK AND EXTENDING PARALLEL TO SAID ROLLER, AT LEAST ONE HOLDER MOUNTED UPON SAID SHAFT FOR ADJUSTMENT LONGITUDINALLY OF THE SHAFT, THE HOLDER HAVING A CUTTING BLADE OVERLYING THE ROLLER, A MICROMETER MEANS FOR ADJUSTING THE ANGULAR POSITION OF THE SHAFT RELATIVE TO THE FRAMEWORK TO CONTROL THE PENETRATION OF THE BLADE HELD BY THE HOLDER INTO THE SHEET AS THEY ARE ADVANCED OVER THE ROLLER.
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) | 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 |