Patent US3309005A successfully refreshed from Google Patents.
US3309005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening carton construction
Assignee: Reynolds Metals Co
•
Filing: 1965-06-17
•
Granted: 1967-03-14
•
Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J Pilger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:04
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/0005; B65D5/20; B65D5/2038; B65D5/2047; B65D5/42; B65D5/54; B65D5/545; B65D5/64; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN EASY-OPEN CARTON COMPRISING A BOTTOM PANEL MERGING ALONG ONE PAIR OF ITS OPPOSITE SIDES INTO A PAIR OF UPSTANDING SIDE PANELS, EACH SAID SIDE PANEL MERGING IN TURN INTO A TOP CLOSURE FLAP, UPSTANDING END PANEL MEANS CONNECTED TO SAID BOTTOM PANEL AT EACH END THEREOF AND TO SAID SIDE PANELS THEREAT, EACH SAID END PANEL ENGAGING BENEATH SAID TOP PANEL THEREBY TO PROVIDE A FULLY CLOSED CARTON, SAID TOP PANEL HAVING A LIFT TONGUE EXTENDING FROM ONE END THEREOF AND DISPOSED IN OVERLYING RELATION TO A SAID END PANEL MEANS, SAID END PANEL MEANS HAVING A PORTION THEREOF FLEXED INTO OVERLYING RELATION WITH SAID LIFT TONGUE INWARDLY OF THE TERMINAL END THEREOF THEREBY TO RELEASABLY RETAIN SAID TONGUE IN OVERLYING RELATION TO SAID END PANEL, WHEREBY SAID LIFT TONGUE TERMINAL END IS FREE TO BE READILY GRASPED FOR PULLING SAID TONGUE FROM ITS RELEASABLY RETAINED OVERLYING RELATION WITH SAID END PANEL AND TO TEAR SAID TOP PANEL FROM SAID CARTON.
Claim 2
Dependent Claim
162 words
AN EASY-OPEN CARTON COMPRISING A BOTTOM PANEL MERGING ALONG ONE PAIR OF ITS OPPOSITE SIDES INTO A PAIR OF UPSTANDING SIDE PANELS, EACH SAID SIDE PANEL MERGING IN TURN INTO A TOP CLOSURE FLAP, UPSTANDING END PANEL MEANS CONNECTED TO SAID BOTTOM PANEL AT EACH END THEREOF AND TO SAID SIDE PANELS THEREAT, EACH SAID END PANEL ENGAGING BENEATH SAID TOP PANEL THEREBY TO PROVIDE A FULLY CLOSED CARTON, SAID TOP PANEL HAVING A LIFT TONGUE EXTENDING FROM ONE END THEREOF AND DISPOSED IN OVERLYING RELATION TO A SAID END PANEL MEANS, SAID END PANEL MEANS HAVING A PORTION THEREOF FLEXED INTO OVERLYING RELATION WITH SAID LIFT TONGUE INWARDLY OF THE TERMINAL END THEREOF THEREBY TO RELEASABLY RETAIN SAID TONGUE IN OVERLYING RELATION TO SAID END PANEL, WHEREBY SAID LIFT TONGUE TERMINAL END IS FREE TO BE READILY GRASPED FOR PULLING SAID TONGUE FROM ITS RELEASABLY RETAINED OVERLYING RELATION WITH SAID END PANEL AND TO TEAR SAID TOP PANEL FROM SAID CARTON.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |