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US3339724A Expired / Lapsed US ⏱️ 0.0 years remaining

Packaging

Assignee: Packaging Corp of America
•
Filing: 1964-12-01
•
Granted: 1967-09-05
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Expires: 1984-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Hickin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 13:55
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/04; B65D77/0413; B65D77/0433; B65D2577/00; B65D2577/04; B65D2577/041; B65D2577/042; B65D2577/043

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 185 words
A SKELETAL SUPPORT FRAME FOR A PLURALITY OF RECEPTACLES AND PROVIDING A HIGH DEGREE OF VISIBILITY OF SUCH RECEPTACLES SUPPORTED THEREIN, SAID SUPPORT FRAME BEING FORMED OF FOLDABLE SHEET MATERIAL AND COMPRISING A SERIES OF FOLDABLY CONNECTED PANELS COMMPRISING TWO OPPOSED SIDE WALL PANELS AND ELONGATED TOP AND BOTTOM WALL PANELS, EACH OF SAID TOP AND BOTTOM PANELS BEING FORMED WITH A PLURALITY OF SPACED OPENINGS THEREIN OPPOSITE SUCH OPENINGS IN THE OTHER OF SAID TOP AND BOTTOM PANELS, A STRUT MEMBER JOINED TO SAID TOP WALL AND SAID BOTTOM WALL BETWEEN EACH ADJACENT PAIR OF SUCH OPPOSED OPENINGS, AN END FLAP FOLDABLY JOINED TO EACH END EDGE OF EACH OF SAID TOP, BOTTOM AND SIDE PANELS AND SECURED IN THE PLANE OF THE RESPECTIVE END OF SAID FRAME AT A SUBSTANTIAL ANGLE TO THE RESPECTIVE PANEL TO WHICH IT IS CONNECTED, EACH OF SAID END FLAPS BEING OF A LENGTH SUBSTANTIALLY LESS THA ONEHALF THE DIMENSION OF SAID FRAME AS MEASURED PARALLEL TO THE DIRECTION OF EXTENSION OF SAID FLAP WHEREBY SAID END FLAPS DEFINE A SUBSTANTIAL OPENING IN EACH END OF SAID FRAME.

References Cited (Backward Citations)

US1321740A Cited
US2736138A Cited
US2899046A Cited
US2807404A Cited
US2926781A Cited
US2973129A Cited
US2931494A Cited
US3220542A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-09-04 1971-03-06 1971-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-09-04 1975-03-06 1975-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-09-04 1979-03-06 1979-09-05 $7700.00 Window Closed / Lapsed

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