US4420678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lunch bucket
Assignee: Individual
•
Filing: 1981-04-03
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Granted: 1983-12-13
•
Expires: 2001-04-03
Abstract
Abstract A lunch bucket or box includes an elongated three-sided container having an L-shaped top cover and a side wall door pivotally attached to the container walls to form a closed container. The container is compartmented with a series of food compartments exposed through the sidewall door, and at least one of which has a vertical divider to define beverage can compartments. The upper end of the container is constructed to releasably receive an integrated hot plate and bowl unit for heating of food products. The container is exposed by opening the top cover.
Inventors
- 👤 Frank H. Kalb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:48
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/10; A; A45; A45C; A45C11/00; A45C11/20; A45F; A45F3/00; A45F3/46
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
178 words
A lunch bucket adapted to be carried by an individual workman for on-site use thereby comprising an elongated substantially tubular housing having a substantially greater vertical height than the width and than the depth, said housing having a width substantially the same as the depth to define a cross-section substantially corresponding to a lunch-type sandwich, a handle means secured to the upper end of the housing, said housing having an open top and open front, a top cover secured to said housing at said open top and having a depending side wall projecting down over said open front, a front cover secured to said housing at said open front and extended between said depending side wall and the lower end of said housing, said housing including a plurality of shelf-members defining a plurality of vertically spaced compartments including an uppermost compartment accessible through said open top and through said open side within the length of said depending side wall, and an electrical heating unit including an insulating support and adapted to be releasably deposed within said uppermost compartment.
Claim 2
Dependent Claim
178 words
A lunch bucket adapted to be carried by an individual workman for on-site use thereby comprising an elongated substantially tubular housing having a substantially greater vertical height than the width and than the depth, said housing having a width substantially the same as the depth to define a cross-section substantially corresponding to a lunch-type sandwich, a handle means secured to the upper end of the housing, said housing having an open top and open front, a top cover secured to said housing at said open top and having a depending side wall projecting down over said open front, a front cover secured to said housing at said open front and extended between said depending side wall and the lower end of said housing, said housing including a plurality of shelf-members defining a plurality of vertically spaced compartments including an uppermost compartment accessible through said open top and through said open side within the length of said depending side wall, and an electrical heating unit including an insulating support and adapted to be releasably deposed within said uppermost compartment.
Claim 3
Dependent Claim
53 words
The lunch bucket of claim 1 wherein said heating unit includes a food container having a removable top cover, said container having a handle located within said open front, said heating unit including an electrical cord adapted to be stored on said handle within the open front and open top of said housing.
Claim 4
Dependent Claim
27 words
The lunch bucket of claim 1 wherein said members include a T-shaped bottom divider shelf defining a pair of side-by-side compartments adapted to store cans and bottles.
Claim 5
Dependent Claim
30 words
The lunch bucket of claim 1 wherein said depending wall and said front cover have overlapping portions, and latch means for releasably interconnecting said depending wall and said front cover.
Claim 6
Dependent Claim
89 words
The lunch bucket of claim 2 wherein said members include a lower T-shaped member defining a pair of side-by-side compartments, a second shelf member located substantially in alignment with the mating edges of said front cover and said depending wall of said top cover, said heating unit including a bowl-type container releasably supported on said second shelf member, said container having an integral hot plate in its bottom wall portion and an electrical cord connected thereto, and means on said container to store said cord with said doors closed.
Claim 7
Dependent Claim
26 words
The lunch bucket of claim 1 wherein said front cover is channel-shaped and includes a spanning wall joined to the sidewalls to define a door compartment.
Claim 8
Dependent Claim
21 words
The lunch bucket of claim 1 wherein said front door is secured to a vertical side edge of said open front.
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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) | 1986-12-12 | 1987-06-13 | 1987-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-12 | 1991-06-13 | 1991-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-12 | 1995-06-13 | 1995-12-13 | $7700.00 | Window Closed / Lapsed |