US3075332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angular feed carton flap opening machine
Assignee: Gerber Products Co
•
Filing: 1960-04-21
•
Granted: 1963-01-29
•
Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Robert F Krupp
- 👤 Jan K Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:48
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/38; B65B43/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A CARTON OPENER MACHINE FOR CARTONS HAVING FLAPS, A FRAME, CONVEYOR MEANS FOR ADVANCING A CARTON LONGITUDINALLY OF SAID FRAME, A FLAP OPENER SHAFT, FLAP DEPRESSOR MEANS FOR FIRST DEPRESSING SAID FLAPS TOWARD CLOSED POSITION, FLAP IMPALING MEANS ON SAID FLAP OPENER SHAFT FOR IMPALING AT LEAST ONE OF SAID FLAPS, AND MEANS FOR DRIVING SAID SHAFT FROM SAID CONVEYOR MEANS FIRST IN TIMED RELATION TO MOVEMENT OF SAID CONVEYOR MEANS AND THEN AT A SPEED AT VARIANCE WITH SAID CONVEYOR MEANS UPON EXERTION OF A DRAG ON SAID FLAP BY SAID IMPALING MEANS WHEREBY TO RAISE SAID FLAP TO OPEN POSITION AS SAID CARTON IS ADVANCED.
Claim 2
Dependent Claim
108 words
IN A CARTON OPENER MACHINE FOR CARTONS HAVING FLAPS, A FRAME, CONVEYOR MEANS FOR ADVANCING A CARTON LONGITUDINALLY OF SAID FRAME, A FLAP OPENER SHAFT, FLAP DEPRESSOR MEANS FOR FIRST DEPRESSING SAID FLAPS TOWARD CLOSED POSITION, FLAP IMPALING MEANS ON SAID FLAP OPENER SHAFT FOR IMPALING AT LEAST ONE OF SAID FLAPS, AND MEANS FOR DRIVING SAID SHAFT FROM SAID CONVEYOR MEANS FIRST IN TIMED RELATION TO MOVEMENT OF SAID CONVEYOR MEANS AND THEN AT A SPEED AT VARIANCE WITH SAID CONVEYOR MEANS UPON EXERTION OF A DRAG ON SAID FLAP BY SAID IMPALING MEANS WHEREBY TO RAISE SAID FLAP TO OPEN POSITION AS SAID CARTON IS ADVANCED.
References Cited (Backward Citations)
US2652914A
Cited
US2684799A
Cited
US2761263A
Cited
US2781118A
Cited
US3019924A
Cited
US2890560A
Cited
US2918773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |