Patent US3086691A successfully refreshed from Google Patents.
US3086691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Embossed locking tabs for cardboard cartons
Assignee: Premier Carton Co
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Filing: 1961-11-13
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Granted: 1963-04-23
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Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Frank E Fobiano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:57
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/30; B65D5/301; B65D5/302; B65D5/2038; B65D5/2047; B65D5/42; B65D5/44; B65D5/441; B65D5/443
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN A RECTANGULAR CARTON CONSTRUCTED FROM A ONE PIECE BLANK COMPRISING A BOTTOM PANEL, EACH EDGE OF SAID BOTTOM PANEL HAVING UPSTANDING THEREFROM A SIDE PANEL, A CORNER CONSTRUCTION BETWEEN ADJOINING SIDE PANELS COMPRISING A LOCKING TAB AT THE END OF A FIRST SIDE PANEL, SAID SIDE PANEL HAVING A LOCKING TONGUE EXTENDING OUTWARDLY THEREFROM, SAID LOCKING TONGUE BEING EMBOSSED TO PROVIDE AN INDENTED MIDDLE PORTION AND HAVING AN UPPER EDGE FORMING A LOCKING SURFACE, THE ADJOINING SIDE PANEL HAVING A SLIT ADJACENT THE END THEREOF, THE LOCKING TAB OF SAID FIRST SIDE PANEL BEING FOLDED AROUND THE END OF SAID ADJOINING SIDE PANEL AND THE LOCKING TONGUE BEING INSERTED THROUGH SAID SLIT WHEREBY THE INDENTED MIDDLE PORTION OF SAID TONGUE ENGAGES AN INSIDE SURFACE OF THE SAID ADJOINING SIDE PANEL AND SPACES SAID LOCKING SURFACE AWAY FROM SAID SURFACE OF SAID ADJOINING SIDE PANEL WHEREBY SAID LOCKING SURFACE IS ENGAGEABLE WITH AN EDGE OF THE SLIT.
Claim 2
Dependent Claim
157 words
IN A RECTANGULAR CARTON CONSTRUCTED FROM A ONE PIECE BLANK COMPRISING A BOTTOM PANEL, EACH EDGE OF SAID BOTTOM PANEL HAVING UPSTANDING THEREFROM A SIDE PANEL, A CORNER CONSTRUCTION BETWEEN ADJOINING SIDE PANELS COMPRISING A LOCKING TAB AT THE END OF A FIRST SIDE PANEL, SAID SIDE PANEL HAVING A LOCKING TONGUE EXTENDING OUTWARDLY THEREFROM, SAID LOCKING TONGUE BEING EMBOSSED TO PROVIDE AN INDENTED MIDDLE PORTION AND HAVING AN UPPER EDGE FORMING A LOCKING SURFACE, THE ADJOINING SIDE PANEL HAVING A SLIT ADJACENT THE END THEREOF, THE LOCKING TAB OF SAID FIRST SIDE PANEL BEING FOLDED AROUND THE END OF SAID ADJOINING SIDE PANEL AND THE LOCKING TONGUE BEING INSERTED THROUGH SAID SLIT WHEREBY THE INDENTED MIDDLE PORTION OF SAID TONGUE ENGAGES AN INSIDE SURFACE OF THE SAID ADJOINING SIDE PANEL AND SPACES SAID LOCKING SURFACE AWAY FROM SAID SURFACE OF SAID ADJOINING SIDE PANEL WHEREBY SAID LOCKING SURFACE IS ENGAGEABLE WITH AN EDGE OF THE SLIT.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |