Patent US4593486A successfully refreshed from Google Patents.
US4593486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Menu and prices display device
Assignee: Plasti Line Inc
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Filing: 1984-12-27
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Granted: 1986-06-10
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Expires: 2004-12-27
Abstract
Abstract Pricing modules of the type having precoiled numeric indicia tapes are slidably held in guide channels of a mounting trackway assembly. Additional guide channels in the trackway assembly receive customized alpha indicia strips forwardly of the pricing modules. Pricing module locator notches are provided in wall portions of the trackway assembly to interlock with spring locking elements on each pricing module to properly position each module along the mounting trackway assembly. Multiple sections of the mounting trackway assembly can be provided in interlocking engagement.
Inventors
- 👤 Joseph E. Visocky
- 👤 Charles F. Ramsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:04
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/08; G09F3/18; G09F3/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
127 words
A display device comprising a mounting trackway having viewing window openings and at least a pair of spaced opposing parallel trackway grooves, said mounting trackway also having spaced locator notches at intervals along said grooves, a changeable indicia module defining pathways for precoiled indicia tapes, said indicia module having opposite side portions engaging guidably and movably in said grooves of the mounting trackway, and a spring arm attached to the changeable indicia module at one end thereof and including a locking head which project somewhat forwardly of said portions when the spring arm is in a relaxed state, whereby said locking head may engage automatically and releasably in one of said locator notches to position the indicia module at a selected precise location along the mounting trackway.
Claim 2
Dependent Claim
127 words
A display device comprising a mounting trackway having viewing window openings and at least a pair of spaced opposing parallel trackway grooves, said mounting trackway also having spaced locator notches at intervals along said grooves, a changeable indicia module defining pathways for precoiled indicia tapes, said indicia module having opposite side portions engaging guidably and movably in said grooves of the mounting trackway, and a spring arm attached to the changeable indicia module at one end thereof and including a locking head which project somewhat forwardly of said portions when the spring arm is in a relaxed state, whereby said locking head may engage automatically and releasably in one of said locator notches to position the indicia module at a selected precise location along the mounting trackway.
Claim 3
Dependent Claim
80 words
A display device as defined in claim 1, and said mounting trackway including a median wall within which said locator notches are formed, said indicia module including a rectangular bezel which includes said opposite side portions engaging in said grooves of the mounting trackway, and said spring arm extending along one end of the rectangular bezel substantially in right angular relationship to said opposite side portions and said grooves with said locking head arranged near one of said side portions.
Claim 4
Dependent Claim
91 words
A display device as defined in claim 1, and said changeable indicia module including a lens and a bezel defining said pathways for precoiled indicia tapes, at least said lens being translucent and said bezel having plural indicia viewing windows adjacent to said pathways, and said pathways including narrow feed slots for precoiled indicia tapes formed between said lens and bezel and further including front and upper and lower surfaces of said lens and spaced surfaces on said bezel, whereby each precoiled indicia tape is guided and restrained in four directions.
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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) | 1989-06-09 | 1989-12-09 | 1990-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-09 | 1993-12-09 | 1994-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-09 | 1997-12-09 | 1998-06-10 | $7700.00 | Window Closed / Lapsed |