US3811595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking serving tray
Assignee: Plastics Inc
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Filing: 1972-06-12
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Granted: 1974-05-21
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Expires: 1992-06-12
Abstract
Abstract An interlocking tray including a flat bottom having opposed first and second end walls thereon with a first lip extending from the first end wall and a second lip extending from said second end wall together with a first locking groove on the first end wall and a second locking groove on the second end wall, and a first rib formed on said first lip of the first end wall for engagement with the second locking groove of the second end wall of another tray and a second rib formed on said second lip of the second wall for engagement with said first locking groove of a first end wall of another tray to removably connect the trays at the ends thereof.
Inventors
- 👤 T Eckdahl
- 👤 R Bateman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:18
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/0201; B65D21/0204
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
178 words
An interlocking tray comprising: a. a flat bottom, b. wall means including a first end wall formed on and obliquely to said bottom, c. a second end wall formed on and obliquely to said bottom, d. a first lip extending from said first end wall, e. a second lip extending from said second end wall, f. first locking means on said first end wall including a first groove in the inner surface of said first end wall, g. second locking means on said second end wall including a second groove formed on the inner surface of said first end wall, h. first complementary locking means on said first lip of said first end wall in the form of a rib for engagement with said second groove of said second end wall of another tray, and i. second complementary locking means on said second lip of said second end wall in the form of a rib for engagement with said first groove of a first end wall of another tray to removably connect the trays at the ends thereof.
Claim 2
Dependent Claim
178 words
An interlocking tray comprising: a. a flat bottom, b. wall means including a first end wall formed on and obliquely to said bottom, c. a second end wall formed on and obliquely to said bottom, d. a first lip extending from said first end wall, e. a second lip extending from said second end wall, f. first locking means on said first end wall including a first groove in the inner surface of said first end wall, g. second locking means on said second end wall including a second groove formed on the inner surface of said first end wall, h. first complementary locking means on said first lip of said first end wall in the form of a rib for engagement with said second groove of said second end wall of another tray, and i. second complementary locking means on said second lip of said second end wall in the form of a rib for engagement with said first groove of a first end wall of another tray to removably connect the trays at the ends thereof.
Claim 3
Dependent Claim
76 words
The device of claim 1 in which a. said first lip is formed at a right angle to said first end wall, and b. said second lip is formed at a right angle to said second end wall whereby said first lip contacts said second lip and when moved against said second lip said first lip rides upon the second lip and down upon said second wall allowing said first rib to engage said second groove.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |