US4187977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two piece produce box
Assignee: Stone Container Corp
•
Filing: 1978-07-03
•
Granted: 1980-02-12
•
Expires: 1998-07-03
Abstract
Abstract In a two piece box having a base tray with a bottom panel, side walls and end walls and an attaching lid, the improvement comprising at least one slot in each said end wall, at least one recess in the upper edge of each of said side walls, and a generally rectangular lid comprising at least one extension finger projecting from each end of said lid for insertion in a corresponding one of said slots in said end walls of said base tray, and at least one T-shaped projection extending horizontally from each side of said lid for insertion in a corresponding one of said recesses in each said side wall of said base tray whereby said lid is removably locked in place in said base tray.
Inventors
- 👤 Richard A. Boykin
- 👤 Gordon A. Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:14
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
237 words
A two piece produce box comprising: a base tray having a generally rectangular bottom panel and upstanding end walls and side walls, said end walls and said side walls being trapezoidal in shape with the narrow end of each trapezoidal wall being at the bottom of said base tray such that the perimeter of the top of said tray is larger than the perimeter of the bottom thereof, each said end wall having a pair of spaced slots therein adjacent the top edge thereof while each side wall includes a central recess in the top edge thereof and a generally rectangular lid of smaller width than the width of the base tray at the top thereof, said lid having two spaced extension fingers projecting from each end thereof for insertion into a corresponding pair of slots in each end wall of said base tray, said rectangular lid further including a central T-shaped projection extending horizontally from each side thereof for engagement with a corresponding one of said recesses in each side wall of said base tray whereby when said lid is removably locked in place in said base tray, with said T-shaped projections engaged in said recesses, the sides of the base tray apply pressure against the top of said T-shaped projections to hold said projections and the lid in place, and said T-shaped projections also function to support the intermediate span of the lid against collapse.
Claim 2
Dependent Claim
237 words
A two piece produce box comprising: a base tray having a generally rectangular bottom panel and upstanding end walls and side walls, said end walls and said side walls being trapezoidal in shape with the narrow end of each trapezoidal wall being at the bottom of said base tray such that the perimeter of the top of said tray is larger than the perimeter of the bottom thereof, each said end wall having a pair of spaced slots therein adjacent the top edge thereof while each side wall includes a central recess in the top edge thereof and a generally rectangular lid of smaller width than the width of the base tray at the top thereof, said lid having two spaced extension fingers projecting from each end thereof for insertion into a corresponding pair of slots in each end wall of said base tray, said rectangular lid further including a central T-shaped projection extending horizontally from each side thereof for engagement with a corresponding one of said recesses in each side wall of said base tray whereby when said lid is removably locked in place in said base tray, with said T-shaped projections engaged in said recesses, the sides of the base tray apply pressure against the top of said T-shaped projections to hold said projections and the lid in place, and said T-shaped projections also function to support the intermediate span of the lid against collapse.
Claim 3
Dependent Claim
58 words
A two piece box as in claim 1 wherein each of said end walls comprises: (a) an outer trapezoidal panel integrally formed with and hingedly attached to the bottom panel of said base tray, and (b) an inner lid locking panel having said spaced slots therein for receiving said extension fingers projecting from the end of said lid.
Claim 4
Dependent Claim
81 words
A two piece box as in claim 2 wherein said inner lid locking panel comprises: (a) first and second flaps each integrally formed with and hingedly attached to a corresponding one of said side walls whereby said flaps may be folded inwardly and attached to said outer trapezoidal panel to form an end wall, and (b) at least one slot in each of said flaps for receiving a corresponding one of said extension fingers projecting from the end of said lid.
Claim 5
Dependent Claim
48 words
A two piece box as in claim 1 wherein: (a) the leg of each said T-shaped projection is inserted in a corresponding one of said recesses whereby the side wall of said box is interposed between the top of said T-shaped projection and the body of said lid.
Claim 6
Dependent Claim
24 words
A two piece box as in claim 4 wherein: (a) said lid is recessed in said base tray approximately one-quarter inch from the top.
References Cited (Backward Citations)
US317997A
Cited
US999764A
Cited
US1234634A
Cited
US1597065A
Cited
US1702945A
Cited
US1946554A
Cited
US1954201A
Cited
US2399604A
Cited
US3447672A
Cited
US3486680A
Cited
FR2248980A2
Cited
US3986659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-02-11 | 1983-08-13 | 1984-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-11 | 1987-08-13 | 1988-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-11 | 1991-08-13 | 1992-02-12 | $7700.00 | Window Closed / Lapsed |