US3575284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Posting trays
Assignee: Posting Equipment Corp
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Filing: 1969-09-09
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Granted: 1971-04-20
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Expires: 1989-09-09
Abstract
Abstract A posting tray devised chiefly for portability and thus having a relatively small capacity of rectangular cards. The tray is of the type where both front and back plates are movable outwardly from a parallel carrying position to acute angular positions to provide a convenient access to the cards. Simultaneously with such movement, legs are automatically spread outwardly to provide a stable enlarged base to support the file against tipping during filing operations.
Inventors
- 👤 Eric M Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:31
CPC Classifications
A; A47; A47B; A47B63/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
181 words
A posting tray comprising a rectangular base having vertical sides and depending ends consisting of spaced flanges, rectangular end plates each having a series of marginal slots adapted to receive the flanges of one end of said base, to provide a pivotal connection, a rail secured to the exterior of each end plate spaced from and in parallelism to the slots therein, each rail having a depending curved terminal flange spaced from the underlying plate and forming an open lineal pocket therewith, a substantially rectangular leg coextensive with each end of said base, each leg having a curved flange at its upper margin which flange is engaged within the adjoining pocket of an end plate, each leg having angular ends partially overlying the adjacent sides of said base, and a sliding connection between the angular end of each leg and the adjacent side of said base, said connection permitting angular movement of each leg from a vertical position to an acute angular position, said end plates being carried simultaneously for pivotal movement from vertical parallel positions to open acute angular positions.
Claim 2
Dependent Claim
181 words
A posting tray comprising a rectangular base having vertical sides and depending ends consisting of spaced flanges, rectangular end plates each having a series of marginal slots adapted to receive the flanges of one end of said base, to provide a pivotal connection, a rail secured to the exterior of each end plate spaced from and in parallelism to the slots therein, each rail having a depending curved terminal flange spaced from the underlying plate and forming an open lineal pocket therewith, a substantially rectangular leg coextensive with each end of said base, each leg having a curved flange at its upper margin which flange is engaged within the adjoining pocket of an end plate, each leg having angular ends partially overlying the adjacent sides of said base, and a sliding connection between the angular end of each leg and the adjacent side of said base, said connection permitting angular movement of each leg from a vertical position to an acute angular position, said end plates being carried simultaneously for pivotal movement from vertical parallel positions to open acute angular positions.
Claim 3
Dependent Claim
52 words
The invention as set forth in claim 1, wherein said sliding connection includes a pair of marginal vertical slots in each side of said base, and a shoulder stud secured to the upper corner of each end of said legs, said studs being received slidably in the vertical slots of said base.
References Cited (Backward Citations)
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Cited
US1647655A
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US2374965A
Cited
US2463131A
Cited
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Cited
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Cited
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Cited
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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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |