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US3661320A Expired / Lapsed US ⏱️ 0.0 years remaining

Egg carton

Assignee: Individual
•
Filing: 1970-01-19
•
Granted: 1972-05-09
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Expires: 1990-01-19
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Abstract

Abstract A one-piece egg carton formed from molded material comprising a hollow tray member having a plurality of egg receiving pockets; a hollow cover member having a front wall; a lock flap hinged to and upstanding from the front edge of the tray member and adapted to be contained within the cover member behind the front wall thereof when the carton is in closed condition with the front surface of the lock flap disposed against the rear surface of the cover member front wall; the cover member front wall having a rearwardly extending abutment received within a forwardly facing pocket presented by the lock flap to maintain the carton in closed condition. The lock flap has a longitudinally extending latching bar integral therewith adapted to be received within a longitudinally latching opening situate along intermediate portions of the rearwardly extending abutment in the cover.

Inventors

  • 👤 David Donaldson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:39
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 212 words
In a one-piece egg carton formed from molded material, the combination of: a. a generally rectangular, hollow tray member having a plurality of egg receiving pockets and a peripheral upper rim having opposed front and rear side portions and opposed end portions; b. a generally rectangular, hollow cover member having: i. a top wall; ii. opposed pairs of front and rear side walls and end walls depending from said top wall and joined at corners of the cover member; c. an elongated lock flap hinged to and upstanding from the tray member rim front side portion and adapted to be contained within the cover member when the carton is in a closed condition, with a front surface of the lock flap disposed against a rear surface of the cover member front side wall; d. said lock flap having a forwardly facing pocket on the front surface thereof; e. said cover member front side wall having an abutment projecting rearwardly from its rear surface which is removably receivable within said pocket in the front surface of said lock flap to maintain said carton in a closed condition; f. an elongated latching opening in said abutment; g. and a latching bar on said lock flap located adjacent said pocket engageable with said latching opening.
Claim 2
Dependent Claim 212 words
In a one-piece egg carton formed from molded material, the combination of: a. a generally rectangular, hollow tray member having a plurality of egg receiving pockets and a peripheral upper rim having opposed front and rear side portions and opposed end portions; b. a generally rectangular, hollow cover member having: i. a top wall; ii. opposed pairs of front and rear side walls and end walls depending from said top wall and joined at corners of the cover member; c. an elongated lock flap hinged to and upstanding from the tray member rim front side portion and adapted to be contained within the cover member when the carton is in a closed condition, with a front surface of the lock flap disposed against a rear surface of the cover member front side wall; d. said lock flap having a forwardly facing pocket on the front surface thereof; e. said cover member front side wall having an abutment projecting rearwardly from its rear surface which is removably receivable within said pocket in the front surface of said lock flap to maintain said carton in a closed condition; f. an elongated latching opening in said abutment; g. and a latching bar on said lock flap located adjacent said pocket engageable with said latching opening.

References Cited (Backward Citations)

US3396895A Cited
US3372854A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-09 1975-11-08 1976-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-09 1979-11-08 1980-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-09 1983-11-08 1984-05-09 $7700.00 Window Closed / Lapsed

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