Patent US3247005A successfully refreshed from Google Patents.
US3247005A
Expired / Lapsed
US
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Method of producing dual message signs
Assignee: Prismo Safety Corp
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Filing: 1961-10-18
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Granted: 1966-04-19
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Expires: 1981-10-18
Abstract
No abstract record available.
Inventors
- 👤 Allan D Parry
- 👤 Jr William H Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:26
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD OF MAKING A SIGN DISPLAYING A DAY MESSAGE AND A NIGHT MESSAGE SUPERIMPOSED ON THE DAY MESSAGE WHICH COMPRISES APPLYING A DAY MESSAGE AGAINST A BACKGROUND, ONE OF SAID DAY MESSAGE AND BACKGROUND BEING RELATIVELY LIGHT REFLECTIVE AND THE OTHER RELATIVELY LIGHT ABOSORBING, APPLYING BINDER MATERIAL WITH DISCRETE AND SPACED BOUNDARY PORTIONS IN THE OVERALL FORM OF THE NIGHT MESSAGE OVER SAID DAY MESSAGE AND SAID BACKGROUND SO THAT IN THE DAYTIME THE DAY MESSAGE AND BACKGROUND BETWEEN SAID DICRETE BOUNDARY PORTIONS ARE VISIBLE, AND EMBEDDING MATERIAL OF HIGH REFRACTIVE INDEX IN SAID BINDER MATERIAL.
Claim 2
Independent Claim
97 words
A METHOD OF MAKING A SIGN DISPLAYING A DAY MESSAGE AND A NIGHT MESSAGE SUPERIMPOSED ON THE DAY MESSAGE WHICH COMPRISES APPLYING A DAY MESSAGE AGAINST A BACKGROUND, ONE OF SAID DAY MESSAGE AND BACKGROUND BEING RELATIVELY LIGHT REFLECTIVE AND THE OTHER RELATIVELY LIGHT ABOSORBING, APPLYING BINDER MATERIAL WITH DISCRETE AND SPACED BOUNDARY PORTIONS IN THE OVERALL FORM OF THE NIGHT MESSAGE OVER SAID DAY MESSAGE AND SAID BACKGROUND SO THAT IN THE DAYTIME THE DAY MESSAGE AND BACKGROUND BETWEEN SAID DICRETE BOUNDARY PORTIONS ARE VISIBLE, AND EMBEDDING MATERIAL OF HIGH REFRACTIVE INDEX IN SAID BINDER MATERIAL.
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |