US4143805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container latching arrangement
Assignee: Keyes Fibre Corp
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Filing: 1977-09-19
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Granted: 1979-03-13
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Expires: 1997-09-19
Abstract
Abstract A container comprises two mating portions which are latched together for packaging a product therebetween with the latching arrangement including a slot in at least two spaced corners of the peripheral rim on one portion and corresponding tongues on the other mating portion.
Inventors
- 👤 John T. Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:10
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/021; B65D21/00; B65D21/02; B65D21/04; B65D21/043; B65D21/045; B65D43/14; B65D43/16; B65D43/162; B65D2251/00; B65D2251/10; B65D2251/1016; B65D2251/1025; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/0012; B65D2543/00175; B65D2543/00259; B65D2543/00268; B65D2543/00342; B65D2543/00351; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00537; B65D2543/00546; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/00666; B65D2543/00675; B65D2543/00694; B65D2543/00712; B65D2543/00722; B65D2543/00759; B65D2543/00787; B65D2543/00805
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
314 words
A molded container comprising two non-identical mating portions capable of packaging a product therebetween in the closed mating position thereof, one of said portions being a lower protion with a floor and an upstanding peripheral side wall terminating in a peripheral rim, the other of said portions being an upper portion with a top wall and a depending peripheral side wall terminating in a peripheral rim, said peripheral rims in said closed mating position contacting each other along a geometric configuration having a plurality of corners with one of said rims being disposed inwardly of the other of said rims at at least two of said corners, a narrow horizontal slot in the outward of said rims at only two of said corners, a tongue on the inward rim at said only two corners, said only two corners comprising locking corners, each of said tongues being inserted through a respective of said slots to maintain said portions in said closed position, said peripheral rim of said bottom portion including a ledge having a generally horizontal shoulder and an upwardly extending wall, said slots being in the general area of the juncture of said horizontal shoulder and said upwardly extending wall, said peripheral rim of said upper portion terminating in a horizontal plane and being shaped and dimensioned to fit within said upstanding wall of said ledge and to rest upon said horizontal shoulder, said upstanding wall of said ledge surrounding said peripheral rim of said upper portion at the adjacent walls forming said two locking corners except for said tongues which extend outwardly beyond said upstanding wall of said ledge when said two portions are mated in said closed position, said tongues being generally horizontal when inserted through said slots in said closed position, and said tongues and said slots at said locking corners being the sole detachable locking elements integral with said container.
Claim 2
Dependent Claim
314 words
A molded container comprising two non-identical mating portions capable of packaging a product therebetween in the closed mating position thereof, one of said portions being a lower protion with a floor and an upstanding peripheral side wall terminating in a peripheral rim, the other of said portions being an upper portion with a top wall and a depending peripheral side wall terminating in a peripheral rim, said peripheral rims in said closed mating position contacting each other along a geometric configuration having a plurality of corners with one of said rims being disposed inwardly of the other of said rims at at least two of said corners, a narrow horizontal slot in the outward of said rims at only two of said corners, a tongue on the inward rim at said only two corners, said only two corners comprising locking corners, each of said tongues being inserted through a respective of said slots to maintain said portions in said closed position, said peripheral rim of said bottom portion including a ledge having a generally horizontal shoulder and an upwardly extending wall, said slots being in the general area of the juncture of said horizontal shoulder and said upwardly extending wall, said peripheral rim of said upper portion terminating in a horizontal plane and being shaped and dimensioned to fit within said upstanding wall of said ledge and to rest upon said horizontal shoulder, said upstanding wall of said ledge surrounding said peripheral rim of said upper portion at the adjacent walls forming said two locking corners except for said tongues which extend outwardly beyond said upstanding wall of said ledge when said two portions are mated in said closed position, said tongues being generally horizontal when inserted through said slots in said closed position, and said tongues and said slots at said locking corners being the sole detachable locking elements integral with said container.
Claim 3
Dependent Claim
25 words
The container of claim 1 wherein said upper portion comprises a lid detached from said lower portion, and said locking corners comprise diametrically opposite corners.
Claim 4
Dependent Claim
38 words
The container of claim 1 wherein said upper portion comprises a lid hinged at one edge to said lower portion, and said locking corners comprise a pair of adjacent corners along the edge remote from said hinged edge.
Claim 5
Dependent Claim
27 words
The container of claim 1 wherein said locking corners having said slots are of rounded configuration, and said tongues being corresponding rounded edges on said upper portion.
Claim 6
Dependent Claim
35 words
The container of claim 1 including a plurality of indents formed in the upper surface of said ledge and extending therebelow to form feet therefrom to facilitate the nesting of a plurality of bottom portions.
Claim 7
Dependent Claim
51 words
The container of claim 1 wherein said adjacent walls at each of said locking corners having said tongues are of a curved configuration to form its corner, and its said tongue deviating from the general curvature thereof whereby said tongue is of greater width than the width of said adjacent walls.
References Cited (Backward Citations)
US3539552A
Cited
US3620411A
Cited
US3716164A
Cited
US3795360A
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US3876130A
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US3933295A
Cited
US3902540A
Cited
US3977595A
Cited
US3968921A
Cited
US3984027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-12 | 1982-09-11 | 1983-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-12 | 1986-09-11 | 1987-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-12 | 1990-09-11 | 1991-03-13 | $7700.00 | Window Closed / Lapsed |