US4258833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable lectern
Assignee: Individual
•
Filing: 1979-12-03
•
Granted: 1981-03-31
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Expires: 1999-12-03
Abstract
Abstract Presented is a portable lectern which in its closed condition resembles a briefcase and which may be opened to provide a convenient self-supporting lectern for a public speaker.
Inventors
- 👤 Charles C. Simms
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:59
CPC Classifications
A; A45; A45C; A45C9/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
143 words
A lectern structure adapted for collapsibility to facilitate portability and for extension to constitute a lectern, comprising: (a) a case including box-like top and bottom portions pivotally interconnected and pivotal from a case-closed condition to a case-open condition; and (b) a lectern assembly mounted within the case and including a top plate portion pivotally interconnected with the top of said case and side support members pivotally interconnected with said top plate portion, said side support members being pivotal from an extended position in which they engage the bottom case portion to a retracted position in which they lie substantially parallel to said top plate portion, said top plate portion being pivotal from a retracted position in which it lies substantially parallel to said top case portion to an extended position of use in which it lies substantially perpendicular to said top case portion.
Claim 2
Dependent Claim
143 words
A lectern structure adapted for collapsibility to facilitate portability and for extension to constitute a lectern, comprising: (a) a case including box-like top and bottom portions pivotally interconnected and pivotal from a case-closed condition to a case-open condition; and (b) a lectern assembly mounted within the case and including a top plate portion pivotally interconnected with the top of said case and side support members pivotally interconnected with said top plate portion, said side support members being pivotal from an extended position in which they engage the bottom case portion to a retracted position in which they lie substantially parallel to said top plate portion, said top plate portion being pivotal from a retracted position in which it lies substantially parallel to said top case portion to an extended position of use in which it lies substantially perpendicular to said top case portion.
Claim 3
Dependent Claim
29 words
The combination according to claim 1, in which said side support members lie substantially parallel to said top case portion when said top plate portion is in retracted position.
Claim 4
Dependent Claim
21 words
The combination according to claim 1, in which means are provided on said case for locking the case in closed condition.
Claim 5
Dependent Claim
34 words
The combination according to claim 1, in which means are provided on said top case portion for locking said top plate portion and side support members in retracted position within said top case portion.
Claim 6
Dependent Claim
25 words
The combination according to claim 1, in which means are provided on said lower case portion for locking said side support members in extended position.
Claim 7
Dependent Claim
29 words
The combination according to claim 1, in which means including said side support members are provided for locking the top and bottom case portions in a predetermined open relationship.
Claim 8
Dependent Claim
45 words
The combination according to claim 1, in which means are provided operatively interposed between said lower case portion and each said side support member resisting pivotal movement of said side support members in a direction to effect retraction thereof when they are in extended position.
Claim 9
Dependent Claim
41 words
The combination according to claim 5, in which said means includes an aperture in each side support member and an associated lug on the lower case portion interengageable with said aperture when each side support member is pivoted into extended position.
Claim 10
Dependent Claim
44 words
The combination according to claim 5, in which said means includes a magnet on each side support member and an operatively associated magnetically responsive member on said lower case portion interengageable with said magnet when each side support member is pivoted into extended position.
Claim 11
Dependent Claim
41 words
The combination according to claim 5, in which said means includes a recess in said lower case portion adapted to frictionally receive an edge portion of an associated side support member when said side support member is pivoted into extended position.
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) | 1984-03-30 | 1984-09-29 | 1985-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-30 | 1988-09-29 | 1989-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-30 | 1992-09-29 | 1993-03-31 | $7700.00 | Window Closed / Lapsed |