Patent US3850401A successfully refreshed from Google Patents.
US3850401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivotal support device
Assignee: Chicago Show Printing Co
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Filing: 1973-07-17
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Granted: 1974-11-26
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Expires: 1993-07-17
Abstract
Abstract A support device for mounting visual display material, including a base member having a pair of opposing spaced walls, each of which has an opening therein adapted to engage a finger of an elongate arm. The finger includes at least two nipples adapted to engage locking notches in the periphery of the openings through which the finger extends whereby the arm is pivotal about the base and is capable of being locked in various positions by the locking notches.
Inventors
- 👤 R Snediker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:04
CPC Classifications
A; A47; A47B; A47B97/00; A47B97/02; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0486; G; G09; G09F; G09F7/00; G09F7/18; G09F7/22
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
162 words
A support comprising a base member adapted to be mounted on a generally upstanding member, said base member being formed of a channel member having opposing spaced walls, each of said walls having an opening therein with each opening having at least two locking notches about the periphery thereof, an elongate arm adapted to carry visual display material thereon, said arm being pivotally mounted on the base member and including a finger positioned through the opening of each of the walls of the base member, said finger having at least two nipples thereon, said nipples being spaced each from the other and being adapted to engage in a locking relation a locking notch in each opening, and spring means constantly urging the nipples in locking engagement with the notches whereby the arm is pivoted by displacing the finger against the action of the spring means and rotating the arm about the finger until the nipples engage the other of the locking notches.
Claim 2
Dependent Claim
162 words
A support comprising a base member adapted to be mounted on a generally upstanding member, said base member being formed of a channel member having opposing spaced walls, each of said walls having an opening therein with each opening having at least two locking notches about the periphery thereof, an elongate arm adapted to carry visual display material thereon, said arm being pivotally mounted on the base member and including a finger positioned through the opening of each of the walls of the base member, said finger having at least two nipples thereon, said nipples being spaced each from the other and being adapted to engage in a locking relation a locking notch in each opening, and spring means constantly urging the nipples in locking engagement with the notches whereby the arm is pivoted by displacing the finger against the action of the spring means and rotating the arm about the finger until the nipples engage the other of the locking notches.
Claim 3
Dependent Claim
24 words
A support as defined in claim 1 wherein each of the openings includes four locking notches spaced equidistantly about the periphery of the opening.
Claim 4
Dependent Claim
26 words
A support as defined in claim 1 wherein the finger includes at least one pair of nipples on the periphery spaced equidistantly each from the other.
Claim 5
Dependent Claim
19 words
A support as defined in claim 1 wherein the wall includes mounting slots adapted to receive a mounting strap.
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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |