Patent US3137068A successfully refreshed from Google Patents.
US3137068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton-slitting mechanism
Assignee: Individual
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Filing: 1961-01-03
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Granted: 1964-06-16
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 James B Quigley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:29
CPC Classifications
B; B65; B65B; B65B69/00; B65B69/0033; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/946; Y10T; Y10T83/00; Y10T83/525; Y10T83/538; Y10T83/647; Y10T83/6476; Y10T83/6584; Y10T83/6603; Y10T83/727; Y10T83/741; Y10T83/743; Y10T83/869; Y10T83/8776
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A CARTON-SLITTING MECHANISM COMPRISING, A SUPPORTING BASE MEMBER HAVING HORIZONTAL CONVEYOR MEANS THEREON, A PAIR OF VERTICAL STANDARDS SECURED TO THE BASE MEMBER ONE ON EACH SIDE OF THE CONVEYOR MEANS, A PAIR OF VERTICALLY-SPACED HORIZONTALLY SWINGABLE ARMS SUPPORTED ON EACH STANDARD ABOVE SAID CONVEYOR MEANS, AN INWARDLYFACING CUTTING-BLADE FIXED TO EACH ARM, MEANS NORMALLY URGING THE PAIRS OF ARMS TO SWING INWARDLY TOWARD EACH OTHER TO CAUSE THE BLADES TO SLIT A CARTON ON OPPOSITE SIDES THEREOF, HEIGHT CONTROL MEANS OPERATIVELY CONNECTING TOGETHER THE UPPER ARMS ON THE TWO STANDARDS AND ENGAGEABLE BY THE TOP OF AN ADVANCING CARTON ON SAID CONVEYOR MEANS FOR AUTOMATICALLY ADJUSTING THE RELATIVE VERTICAL SPACING OF EACH PAIR OF ARMS TO CAUSE THE SLITTING OF A CARTON AT PREDETERMINED SUBSTANTIALLY UNIFORM DISTANCES RESPECTIVELY ABOVE AND BELOW THE BOTTOM AND TOP OF THE CARTON AS IT IS CAUSED TO ADVANCE BETWEEN THE SAID PAIRS OF ARMS, MEANS FOR ADJUSTING THE OPERATING LEVEL OF THE LOWER OF SAID ARMS RELATIVE TO THE CONVEYOR MEANS, AND MEANS FOR ADJUSTING THE OPERATING LEVEL OF THE UPPER ARMS RELATIVE TO SAID HEIGHT CONTROL MEANS.
Claim 2
Dependent Claim
185 words
A CARTON-SLITTING MECHANISM COMPRISING, A SUPPORTING BASE MEMBER HAVING HORIZONTAL CONVEYOR MEANS THEREON, A PAIR OF VERTICAL STANDARDS SECURED TO THE BASE MEMBER ONE ON EACH SIDE OF THE CONVEYOR MEANS, A PAIR OF VERTICALLY-SPACED HORIZONTALLY SWINGABLE ARMS SUPPORTED ON EACH STANDARD ABOVE SAID CONVEYOR MEANS, AN INWARDLYFACING CUTTING-BLADE FIXED TO EACH ARM, MEANS NORMALLY URGING THE PAIRS OF ARMS TO SWING INWARDLY TOWARD EACH OTHER TO CAUSE THE BLADES TO SLIT A CARTON ON OPPOSITE SIDES THEREOF, HEIGHT CONTROL MEANS OPERATIVELY CONNECTING TOGETHER THE UPPER ARMS ON THE TWO STANDARDS AND ENGAGEABLE BY THE TOP OF AN ADVANCING CARTON ON SAID CONVEYOR MEANS FOR AUTOMATICALLY ADJUSTING THE RELATIVE VERTICAL SPACING OF EACH PAIR OF ARMS TO CAUSE THE SLITTING OF A CARTON AT PREDETERMINED SUBSTANTIALLY UNIFORM DISTANCES RESPECTIVELY ABOVE AND BELOW THE BOTTOM AND TOP OF THE CARTON AS IT IS CAUSED TO ADVANCE BETWEEN THE SAID PAIRS OF ARMS, MEANS FOR ADJUSTING THE OPERATING LEVEL OF THE LOWER OF SAID ARMS RELATIVE TO THE CONVEYOR MEANS, AND MEANS FOR ADJUSTING THE OPERATING LEVEL OF THE UPPER ARMS RELATIVE TO SAID HEIGHT CONTROL MEANS.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |