US3196728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for punching and slitting
Assignee: Individual
•
Filing: 1963-02-19
•
Granted: 1965-07-27
•
Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Greer B Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:27
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/12; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/869; Y10T83/8821; Y10T83/8828; Y10T83/8858; Y10T83/929; Y10T83/9411; Y10T83/9418; Y10T83/9457; Y10T83/9473; Y10T83/9476
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
FOR USE IN PUNCHING AND SLITTING TRANSPARENT PLASTIC MATERIAL, A DEVICE COMPRISING; A BLOCK OF SAID MATERIAL; SAID BLOCK HAVING A SLOT THEREIN ADAPTED TO RECEIVE A PLURALITY OF TRANSPARENT PLASTIC SHEETS TO BE PROVIDED WITH A HOLE AND AN ADJACENT WEAKENED AREA, AND A PAIR OF SUBSTANTIALLY PARALLEL OPENINGS LYING NORMAL TO SAID SLOT; A PISTON SLIDABLY HOUSED IN SAID BLOCK AND HAVING CARRIED THEREBY AND FASTENED THERETO A HOLE PUNCH ELEMENT AND A SLIT-MAKING ELEMENT SLIDABLY HOUSED IN SAID OPENINGS, SAID SLIT MAKING ELEMENT BEING CONNECTED FOR VERTICAL MOVEMENT WITH THE HOLE PUNCH AND BEING SLIDABLE IN A HORIZONTAL PLANE FOR ALIGNMENT RELATIVE TO THE HOLE PUNCH ON VERTICAL MOVEMENT, SAID ELEMENTS BEING ADAPTED TO BE MOVED UPON APPLICATION OF FORCE TO SAID PISTON INTO AND OUT OF SAID SLOT PORTION FOR PUNCHING AND SLITTING SHEETS OF TRANSPARENT PLASTIC MATERIAL RECEIVED POSITIONED THEREIN; AND MEANS CONNECTED TO SAID BLOCK FOR RECIPROCALLY DRIVING SAID PISTON.
Claim 2
Dependent Claim
156 words
FOR USE IN PUNCHING AND SLITTING TRANSPARENT PLASTIC MATERIAL, A DEVICE COMPRISING; A BLOCK OF SAID MATERIAL; SAID BLOCK HAVING A SLOT THEREIN ADAPTED TO RECEIVE A PLURALITY OF TRANSPARENT PLASTIC SHEETS TO BE PROVIDED WITH A HOLE AND AN ADJACENT WEAKENED AREA, AND A PAIR OF SUBSTANTIALLY PARALLEL OPENINGS LYING NORMAL TO SAID SLOT; A PISTON SLIDABLY HOUSED IN SAID BLOCK AND HAVING CARRIED THEREBY AND FASTENED THERETO A HOLE PUNCH ELEMENT AND A SLIT-MAKING ELEMENT SLIDABLY HOUSED IN SAID OPENINGS, SAID SLIT MAKING ELEMENT BEING CONNECTED FOR VERTICAL MOVEMENT WITH THE HOLE PUNCH AND BEING SLIDABLE IN A HORIZONTAL PLANE FOR ALIGNMENT RELATIVE TO THE HOLE PUNCH ON VERTICAL MOVEMENT, SAID ELEMENTS BEING ADAPTED TO BE MOVED UPON APPLICATION OF FORCE TO SAID PISTON INTO AND OUT OF SAID SLOT PORTION FOR PUNCHING AND SLITTING SHEETS OF TRANSPARENT PLASTIC MATERIAL RECEIVED POSITIONED THEREIN; AND MEANS CONNECTED TO SAID BLOCK FOR RECIPROCALLY DRIVING SAID PISTON.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |