US3717259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray rack
Assignee: Greiner Scientific Corp
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Filing: 1971-06-11
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Granted: 1973-02-20
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Expires: 1991-06-11
Abstract
Abstract A wire rack construction providing one or more support levels for carrying shallow trays at such support levels; the rack constructions being insertable into compartments of laboratory apparatus such as sterilizers, incubators, ovens or the like whereby to subdivide the compartments thereof when small or shallow containers, plates and the like are contained in the trays.
Inventors
- 👤 G Fried
- 👤 S Hirschman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:13
CPC Classifications
B; B01; B01L; B01L9/00; A; A47; A47F; A47F3/00; A47F3/14
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
237 words
A wire tray rack comprising a bottom tray supporting portion, a restraining back portion and laterally related restraining side portions, a first pair of mounting members upstanding from said tray supporting portion, a second pair of mounting members upstanding from said tray supporting portion, said restraining back portion interconnecting said first pair of mounting members, each of said restraining side portions interconnecting one of said first pair of mounting members and one of said second pair of mounting members, said restraining back portion being disposed at a level above that of said tray supporting portion, and outwardly thereof, said tray supporting portion being formed of a bent U shaped wire member and said mounting members being formed of inverted U shaped members having diverging leg portions, the lower ends of the leg portions of said first pair of mounting members being secured to outer surface portions of the back portion of said U shaped supporting member, said restraining back portion comprising a linear wire member secured at the opposite ends thereof to inner surface portions of said first pair of mounting members, said restraining side portions comprising L shaped wire members, the short arms of said L shaped members being secured to inner surface portions of said first pair of mounting members, the outer ends of the long arms of said L shaped members being secured to inner surface portions of said second pair of mounting members.
Claim 2
Dependent Claim
237 words
A wire tray rack comprising a bottom tray supporting portion, a restraining back portion and laterally related restraining side portions, a first pair of mounting members upstanding from said tray supporting portion, a second pair of mounting members upstanding from said tray supporting portion, said restraining back portion interconnecting said first pair of mounting members, each of said restraining side portions interconnecting one of said first pair of mounting members and one of said second pair of mounting members, said restraining back portion being disposed at a level above that of said tray supporting portion, and outwardly thereof, said tray supporting portion being formed of a bent U shaped wire member and said mounting members being formed of inverted U shaped members having diverging leg portions, the lower ends of the leg portions of said first pair of mounting members being secured to outer surface portions of the back portion of said U shaped supporting member, said restraining back portion comprising a linear wire member secured at the opposite ends thereof to inner surface portions of said first pair of mounting members, said restraining side portions comprising L shaped wire members, the short arms of said L shaped members being secured to inner surface portions of said first pair of mounting members, the outer ends of the long arms of said L shaped members being secured to inner surface portions of said second pair of mounting members.
Claim 3
Dependent Claim
237 words
A wire tray rack comprising a bottom tray supporting portion, a restraining back portion and laterally related restraining side portions, a first pair of mounting members upstanding from said tray supporting portion, a second pair of mounting members upstanding from said tray supporting portion, said restraining back portion interconnecting said first pair of mounting members, each of said restraining side portions interconnecting one of said first pair of mounting members and one of said second pair of mounting members, said restraining back portion being disposed at a level above that of said tray supporting portion, and outwardly thereof, said tray supporting portion being formed of a bent U shaped wire member and said mounting members being formed of inverted U shaped members having diverging leg portions, the lower ends of the leg portions of said first pair of mounting members being secured to outer surface portions of the back portion of said U shaped supporting member, said restraining back portion comprising a linear wire member secured at the opposite ends thereof to inner surface portions of said first pair of mounting members, said restraining side portions comprising L shaped wire members, the short arms of said L shaped members being secured to inner surface portions of said first pair of mounting members, the outer ends of the long arms of said L shaped members being secured to inner surface portions of said second pair of mounting members.
Claim 4
Dependent Claim
237 words
A wire tray rack comprising a bottom tray supporting portion, a restraining back portion and laterally related restraining side portions, a first pair of mounting members upstanding from said tray supporting portion, a second pair of mounting members upstanding from said tray supporting portion, said restraining back portion interconnecting said first pair of mounting members, each of said restraining side portions interconnecting one of said first pair of mounting members and one of said second pair of mounting members, said restraining back portion being disposed at a level above that of said tray supporting portion, and outwardly thereof, said tray supporting portion being formed of a bent U shaped wire member and said mounting members being formed of inverted U shaped members having diverging leg portions, the lower ends of the leg portions of said first pair of mounting members being secured to outer surface portions of the back portion of said U shaped supporting member, said restraining back portion comprising a linear wire member secured at the opposite ends thereof to inner surface portions of said first pair of mounting members, said restraining side portions comprising L shaped wire members, the short arms of said L shaped members being secured to inner surface portions of said first pair of mounting members, the outer ends of the long arms of said L shaped members being secured to inner surface portions of said second pair of mounting members.
Claim 5
Dependent Claim
38 words
A wire rack as in claim 1, wherein the side portions of said wire tray supporting portion terminate at their outer ends in a flat endless loop extending outwardly thereof, and a linear wire member interconnecting said loops.
Claim 6
Dependent Claim
47 words
A wire rack as in claim 2, and further including a pair of parallel linear wire members extending between said last mentioned linear wire member and the back portion of said U shaped supporting member and disposed intermediate the side portions of said U shaped supporting member.
Claim 7
Dependent Claim
54 words
A wire rack as in claim 1, and further including short cross members secured to inner surface portions of said second pair of inverted U shaped mounting members, said cross members being disposed between the bight of said second pair of inverted U shaped members and the long arms of said L shaped members.
Claim 8
Dependent Claim
45 words
A wire rack as in claim 1, wherein a plurality of tray supporting portions in vertically spaced relation are fixed to said first and second pairs of mounting members, each tray supporting portion having back restraining and a pair of side restraining portions associated therewith.
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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |