US3237501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slitter knife
Assignee: Individual
•
Filing: 1963-06-20
•
Granted: 1966-03-01
•
Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 William J Hottendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:34
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/0006; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9391; Y10T83/9411; Y10T83/9442; Y10T83/9444; Y10T83/9457; Y10T83/9464; Y10T83/9469
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SLITTER KNIFE FOR CUTTING SLITS IN PAPER AND THE LIKE WHICH COMPRISES A PAIR OF SUBSTANTIALLY IDENTICAL METAL PLATES EACH OF WHICH HAS GENERALLY PARALLEL RIGHT AND LEFT FACES AND AN END FACE EXTENDING GENERALLY PERPENDICULAR TO SAID RIGHT AND LEFT FACES AND DEFINING THEREWITH RIGHT AND LEFT CUTTING EDGES RESPECTIVELY, AND ADJUSTABLE MOUNTING MEANS INTERCONNECTING SAID PLATES FOR SUPPORTING SAID PLATES IN TWO ALTERNATIVE POSITIONS WHERE THE END FACES OF SAID PLATES DEFINE A SINGLE FACE OF SAID KNIFE, SAID PLATES IN THE FIRST OF SAID POSITIONS HAVING THE RIGHT FACE OF ONE PLATE CONTACTING THE LEFT FACE OF THE OTHER PLATE, AND SAID PLATES IN THE SECOND OF SAID POSITIONS HAVING THE LEFT FACE OF SAID ONE PLATE CONTACTING THE RIGHT FACE OF SAID OTHER PLATE.
Claim 2
Dependent Claim
129 words
A SLITTER KNIFE FOR CUTTING SLITS IN PAPER AND THE LIKE WHICH COMPRISES A PAIR OF SUBSTANTIALLY IDENTICAL METAL PLATES EACH OF WHICH HAS GENERALLY PARALLEL RIGHT AND LEFT FACES AND AN END FACE EXTENDING GENERALLY PERPENDICULAR TO SAID RIGHT AND LEFT FACES AND DEFINING THEREWITH RIGHT AND LEFT CUTTING EDGES RESPECTIVELY, AND ADJUSTABLE MOUNTING MEANS INTERCONNECTING SAID PLATES FOR SUPPORTING SAID PLATES IN TWO ALTERNATIVE POSITIONS WHERE THE END FACES OF SAID PLATES DEFINE A SINGLE FACE OF SAID KNIFE, SAID PLATES IN THE FIRST OF SAID POSITIONS HAVING THE RIGHT FACE OF ONE PLATE CONTACTING THE LEFT FACE OF THE OTHER PLATE, AND SAID PLATES IN THE SECOND OF SAID POSITIONS HAVING THE LEFT FACE OF SAID ONE PLATE CONTACTING THE RIGHT FACE OF SAID OTHER PLATE.
References Cited (Backward Citations)
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US1529971A
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US2808106A
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Cited
US3081661A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |