US3141279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton flap-opening apparatus
Assignee: Individual
•
Filing: 1961-01-16
•
Granted: 1964-07-21
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Boyd J Arnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/38; B65B43/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A CARTON FLAP OPENER WHICH COMPRISES MEANS FOR MOVING A CARTON IN UPRIGHT DISPOSITION ALONG A PREDETERMINED PATH, AN ARM SUPPORTED FOR PIVOTAL MOTION ABOUT SUBSTANTIALLY A HORIZONTAL AXIS ABOVE THE PATH OF CARTON MOTION AND ADAPTED TO SWING DOWNWARDLY TOWARD SUCH PATH, SAID ARM HAVING A HOOKED PORTION ADAPTED TO ENGAGE THE TRANSVERSELY-DISPOSED EDGE OF ONE FLAP OF AN ADVANCING CARTON, MEANS SUPPORTING SAID PIVOTALLY-SUPPORTED ARM FOR TRANSLATORY MOTION IN THE DIRECTION OF CARTON ADVANCE, AND MEANS RESPONSIVE TO ENGAGEMENT BY THE ADVANCING CARTON TO ACTUATE TRANSLATORY MOTION OF SAID ARM IN THE DIRECTION OF CARTON MOTION AT A SPEED SUBSTANTIALLY GREATER THAN THE SPEED OF CARTON ADVANCE TO OPEN THE FLAP.
Claim 2
Dependent Claim
113 words
A CARTON FLAP OPENER WHICH COMPRISES MEANS FOR MOVING A CARTON IN UPRIGHT DISPOSITION ALONG A PREDETERMINED PATH, AN ARM SUPPORTED FOR PIVOTAL MOTION ABOUT SUBSTANTIALLY A HORIZONTAL AXIS ABOVE THE PATH OF CARTON MOTION AND ADAPTED TO SWING DOWNWARDLY TOWARD SUCH PATH, SAID ARM HAVING A HOOKED PORTION ADAPTED TO ENGAGE THE TRANSVERSELY-DISPOSED EDGE OF ONE FLAP OF AN ADVANCING CARTON, MEANS SUPPORTING SAID PIVOTALLY-SUPPORTED ARM FOR TRANSLATORY MOTION IN THE DIRECTION OF CARTON ADVANCE, AND MEANS RESPONSIVE TO ENGAGEMENT BY THE ADVANCING CARTON TO ACTUATE TRANSLATORY MOTION OF SAID ARM IN THE DIRECTION OF CARTON MOTION AT A SPEED SUBSTANTIALLY GREATER THAN THE SPEED OF CARTON ADVANCE TO OPEN THE FLAP.
References Cited (Backward Citations)
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Cited
US2890560A
Cited
US2915868A
Cited
US2918773A
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US3068622A
Cited
US2997833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |