US4491233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stackable food service carrier
Assignee: Individual
•
Filing: 1983-01-25
•
Granted: 1985-01-01
•
Expires: 2003-01-25
Abstract
Abstract The present carrier structure includes a first member in the form of a plurality of stackable trays and second members in the form of heat retaining food covers. The food covers are held in place between adjacent stacked carriers.
Inventors
- 👤 Kendrick A. Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:35
CPC Classifications
A; A47; A47J; A47J39/00; A47J39/006
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
122 words
A carrier adapted for stacking, said carrier comprising a first member and a second member, said first member including a substantially planar portion and a vertical wall portion surrounding said planar portion, said planar portion having an upwardly opening well defined therein for reception of a dinner plate, said well having an upper ridge surrounding said well, said well further including a small downwardly opening cavity; said second member comprising a cover for said well, said second member including a ridge receiving zone for reception of said well upper ridge, said cover further including an upwardly extending handle, said handle being of substantially the same shape as said small downwardly opening cavity, said handle being slightly smaller in size than said cavity.
Claim 2
Dependent Claim
122 words
A carrier adapted for stacking, said carrier comprising a first member and a second member, said first member including a substantially planar portion and a vertical wall portion surrounding said planar portion, said planar portion having an upwardly opening well defined therein for reception of a dinner plate, said well having an upper ridge surrounding said well, said well further including a small downwardly opening cavity; said second member comprising a cover for said well, said second member including a ridge receiving zone for reception of said well upper ridge, said cover further including an upwardly extending handle, said handle being of substantially the same shape as said small downwardly opening cavity, said handle being slightly smaller in size than said cavity.
Claim 3
Dependent Claim
43 words
The carrier of claim 1 wherein said well upper ridge and said cover ridge receiving zone are adapted to lock said cover with respect to said tray first member thereby preventing translational movement of said cover with respect to said tray first member.
Claim 4
Dependent Claim
18 words
The carrier of claim 1 wherein said vertical wall portion is adapted for stacking engagement with other trays.
Claim 5
Dependent Claim
20 words
The carrier of claim 3 wherein said vertical wall portion includes means for locking engagement with adjacent trays during stacking.
Claim 6
Dependent Claim
21 words
The carrier of claim 4 wherein said locking means includes pins extending downwardly from the lowermost edge of vertical wall portion.
Claim 7
Dependent Claim
31 words
The carrier of claim 5 wherein said locking means further includes means defining an upwardly opening cavity sized for reception of the downwardly extending pins for the adjacent tray during stacking.
Claim 8
Dependent Claim
86 words
A stackable carrier system including a plurality of tray members stacked one above another, said tray members each including wall means providing direct engagement between adjacent trays, and means for covering a portion of each of said tray members, one of said covering means being disposed between each adjacent tray member, said tray members each having an upper surface including means for interlocking with one of said covering means, said tray members each having a lower surface including means for engaging one of said covering means.
Claim 9
Dependent Claim
86 words
A stackable carrier system including a plurality of tray members stacked one above another, said tray members each including wall means providing direct engagement between adjacent trays, and means for covering a portion of each of said tray members, one of said covering means being disposed between each adjacent tray member, said tray members each having an upper surface including means for interlocking with one of said covering means, said tray members each having a lower surface including means for engaging one of said covering means.
Claim 10
Dependent Claim
35 words
The stackable carrier system of claim 7 wherein said upper surface interlocking means comprise a ridge surrounding said tray portion and wherein said covering means includes a ridge receiving zone for engagement with said ridge.
Claim 11
Dependent Claim
22 words
The stackable carrier system of claim 8 wherein said tray members include means for providing locking engagement with adjacent trays during stacking.
Claim 12
Dependent Claim
38 words
The stackable carrier system of claim 9 wherein said tray locking means comprise a pin extending from one of said tray members and wherein the adjacent tray member has defined therein an opening for reception of said pin.
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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) | 1988-01-01 | 1988-07-02 | 1989-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-01 | 1992-07-02 | 1993-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-01 | 1996-07-02 | 1997-01-01 | $7700.00 | Window Closed / Lapsed |