Patent US4294497A successfully refreshed from Google Patents.
US4294497A
Expired / Lapsed
US
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Combined carrying case, display device and lectern
Assignee: DANIEL CATHERINE M BRIDGEWATER MA
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Filing: 1980-08-14
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Granted: 1981-10-13
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Expires: 2000-08-14
Abstract
Abstract A teacher's or lecturer's carrying case is provided with means to facilitate displays while lecturing and can be arranged in a number of configurations so as to serve as a carrying case, a display aid or a lectern.
Inventors
- 👤 Robert A. Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:15
CPC Classifications
A; A47; A47B; A47B19/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
187 words
A multi-use carrying case, display and lectern device comprising: a bottom wall; an upwardly extending rear wall; a relatively short front wall; a pair of side walls, the side walls being tapered upwardly so as to present a narrowing and reduced width at their upper ends; said walls being secured together to define a case configuration which, in cross section, tapers upwardly; a rectangular cover extending downwardly along the front edge of each of the side walls and being arranged to cover fully the case, the cover being hinged at its upper end to the upper end of the rear wall; a transversely extending slot formed in the short front wall; a shelf defining a false bottom within the case, the shelf being extendable through the slot to provide a forwardly extending shelf on which materials may be supported; guide means for guiding and supporting the shelf for movement between its retracted configuration in which it defines the false bottom for the case and its extended configuration in which it projects outwardly through the slot; and a carrying handle secured to the upper region of the device.
Claim 2
Dependent Claim
187 words
A multi-use carrying case, display and lectern device comprising: a bottom wall; an upwardly extending rear wall; a relatively short front wall; a pair of side walls, the side walls being tapered upwardly so as to present a narrowing and reduced width at their upper ends; said walls being secured together to define a case configuration which, in cross section, tapers upwardly; a rectangular cover extending downwardly along the front edge of each of the side walls and being arranged to cover fully the case, the cover being hinged at its upper end to the upper end of the rear wall; a transversely extending slot formed in the short front wall; a shelf defining a false bottom within the case, the shelf being extendable through the slot to provide a forwardly extending shelf on which materials may be supported; guide means for guiding and supporting the shelf for movement between its retracted configuration in which it defines the false bottom for the case and its extended configuration in which it projects outwardly through the slot; and a carrying handle secured to the upper region of the device.
Claim 3
Dependent Claim
32 words
A device as defined in claim 1 wherein said shelf defines the interior of the case into an upper compartment and a lower compartment when the shelf is in its retracted configuration.
Claim 4
Dependent Claim
19 words
A device as defined in claim 2 further comprising: means for supporting the cover in a partially opened configuration.
Claim 5
Dependent Claim
81 words
A device as defined in claim 3 wherein the means for supporting the cover in a partially opened configuration comprises: at least one strut pivotally mounted to a side wall of the device and having a free end which is pivotable from a retracted configuration within the case to a configuration in which the free end extends forwardly and outwardly of the front of the case, the strut being constructed and arranged to engage and support the underside of the cover.
Claim 6
Dependent Claim
19 words
A device as defined in claim 1 further comprising a lip extending along the lower edge of the cover.
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) | 1984-10-12 | 1985-04-13 | 1985-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-12 | 1989-04-13 | 1989-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-12 | 1993-04-13 | 1993-10-13 | $7700.00 | Window Closed / Lapsed |