Patent US3137435A successfully refreshed from Google Patents.
US3137435A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliced meat package
Assignee: Waldorf Paper Products Co
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Filing: 1963-02-01
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Granted: 1964-06-16
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Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Harold S Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:38
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/24; B65D5/241; B65D5/2038; B65D5/2047; B65D5/42; B65D5/4204; B65D5/64; B65D5/66; B65D5/6626; B65D5/665; B65D5/6661; B65D5/6664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A LOCKING STRUCTURE FOR USE IN COMBINATION WITH A CARTON HAVING A RECTANGULAR BOTTOM PANEL, SUBSTANTIALLY PARALLEL END WALL PANELS HINGED TO OPPOSITE ENDS OF SAID BOTTOM PANEL, REAR WALL PANEL HINGED TO, AND EXTENDING UPWARDLY FROM, A THIRD EDGE OF SAID BOTTOM PANEL, A FRONT WALL PANEL EXTENDING UPWARDLY AND INWARDLY AT AN ACUTE ANGLE FROM THE FOURTH EDGE OF SAID BOTTOM PANEL, A COVER PANEL HINGED TO THE UPPER EDGE OF SAID REAR WALL PANEL, AND A FLANGE HINGED TO THE FORWARD EDGE OF SAID COVER PANEL AND FOLDABLE IN FACE CONTACT TO SAID FRONT WALL PANEL, SAID FRONT WALL PANEL HAVING A PAIR OF LOCKING SLITS THEREIN EXTENDING ANGULARLY UPWARDLY AND OUTWARDLY IN DIVERGING RELATION NEAR OPPOSITE ENDS THEROF, A PAIR OF LOCKING TONGUES ON SAID FLANGE AND BEING OF A WIDTH SUBSTANTIALLY EQUAL TO THE LENGTH OF SAID SLOTS, SAID LOCKING TONGUES BEING GENERALLY T-SHAPED AND CONNECTED AT THE BASE OF THE T TO THE REMAINDER OF SAID FLANGE, THE CROSS BAR PORTIONS OF THE T-SHAPED TONGUES BEING ADAPTED TO UNDERLIE SAID FRONT WALL PANEL AND EACH HAVING AN EDGE SUBSTANTIALLY COINCIDING WITH ONE OF SAID SLITS WHEN SAID TONGUES ARE INSERTED THROUGH SAID SLITS.
Claim 2
Dependent Claim
199 words
A LOCKING STRUCTURE FOR USE IN COMBINATION WITH A CARTON HAVING A RECTANGULAR BOTTOM PANEL, SUBSTANTIALLY PARALLEL END WALL PANELS HINGED TO OPPOSITE ENDS OF SAID BOTTOM PANEL, REAR WALL PANEL HINGED TO, AND EXTENDING UPWARDLY FROM, A THIRD EDGE OF SAID BOTTOM PANEL, A FRONT WALL PANEL EXTENDING UPWARDLY AND INWARDLY AT AN ACUTE ANGLE FROM THE FOURTH EDGE OF SAID BOTTOM PANEL, A COVER PANEL HINGED TO THE UPPER EDGE OF SAID REAR WALL PANEL, AND A FLANGE HINGED TO THE FORWARD EDGE OF SAID COVER PANEL AND FOLDABLE IN FACE CONTACT TO SAID FRONT WALL PANEL, SAID FRONT WALL PANEL HAVING A PAIR OF LOCKING SLITS THEREIN EXTENDING ANGULARLY UPWARDLY AND OUTWARDLY IN DIVERGING RELATION NEAR OPPOSITE ENDS THEROF, A PAIR OF LOCKING TONGUES ON SAID FLANGE AND BEING OF A WIDTH SUBSTANTIALLY EQUAL TO THE LENGTH OF SAID SLOTS, SAID LOCKING TONGUES BEING GENERALLY T-SHAPED AND CONNECTED AT THE BASE OF THE T TO THE REMAINDER OF SAID FLANGE, THE CROSS BAR PORTIONS OF THE T-SHAPED TONGUES BEING ADAPTED TO UNDERLIE SAID FRONT WALL PANEL AND EACH HAVING AN EDGE SUBSTANTIALLY COINCIDING WITH ONE OF SAID SLITS WHEN SAID TONGUES ARE INSERTED THROUGH SAID SLITS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |