Patent US3287825A successfully refreshed from Google Patents.
US3287825A
Expired / Lapsed
US
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Code game
Assignee: Individual
•
Filing: 1965-02-18
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Granted: 1966-11-29
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 John W Ryan
- 👤 Conrad B Sloop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:02
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/0076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A CODE GAME COMPRISING: A FIRST MARKING MEDIUM HAVING GIVEN OPTICAL FILTER RESPONSE CHARACTERISTICS; A SECOND MARKING MEDIUM HAVING GIVEN OPTICAL FILTER RESPONSE CHARACTERISTICS DIFFERENT FROM THAT OF SAID FIRST MARKING MEDIUM, SAID TWO MARKING MEDIA BEING SUBSTANTIALLY INDISTINGUISHABLE FROM EACH OTHER TO THE UNAIDED HUMAN EYE, SAID MEDIA BEING ADAPTED TO CO-ACT TO EFFECT A COMPOSITE PRESENTATION OF INFORMATION INCLUDING IN SAID COMPOSITE PRESENTATION A COMPONENT PRESENTATION OF INFORMATION PROVIDED BY ONE OF SAID MEDIA, SAID COMPONENT PRESENTATION BEING SUBSTANTIALLY INDISTINGUISHABLE FROM SAID COMPOSITE PRESENTATION TO THE NAKED EYE; AND OPTICAL FILTER MEANS FOR DISTINGUISHING SAID FIRST AND SECOND MARKING MEDIA TO MAKE VISIBLE THE IMAGE FORMED BY SAID COMPONENT PRESENTATION WHILE SUBSTANTIALLY CONCEALING THE IMAGE FORMED BY THE REMAINDER OF SAID COMPOSITE PRESENTATION.
Claim 2
Dependent Claim
125 words
A CODE GAME COMPRISING: A FIRST MARKING MEDIUM HAVING GIVEN OPTICAL FILTER RESPONSE CHARACTERISTICS; A SECOND MARKING MEDIUM HAVING GIVEN OPTICAL FILTER RESPONSE CHARACTERISTICS DIFFERENT FROM THAT OF SAID FIRST MARKING MEDIUM, SAID TWO MARKING MEDIA BEING SUBSTANTIALLY INDISTINGUISHABLE FROM EACH OTHER TO THE UNAIDED HUMAN EYE, SAID MEDIA BEING ADAPTED TO CO-ACT TO EFFECT A COMPOSITE PRESENTATION OF INFORMATION INCLUDING IN SAID COMPOSITE PRESENTATION A COMPONENT PRESENTATION OF INFORMATION PROVIDED BY ONE OF SAID MEDIA, SAID COMPONENT PRESENTATION BEING SUBSTANTIALLY INDISTINGUISHABLE FROM SAID COMPOSITE PRESENTATION TO THE NAKED EYE; AND OPTICAL FILTER MEANS FOR DISTINGUISHING SAID FIRST AND SECOND MARKING MEDIA TO MAKE VISIBLE THE IMAGE FORMED BY SAID COMPONENT PRESENTATION WHILE SUBSTANTIALLY CONCEALING THE IMAGE FORMED BY THE REMAINDER OF SAID COMPOSITE PRESENTATION.
References Cited (Backward Citations)
US14129A
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US1422527A
Cited
US2529764A
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US2676570A
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US2718749A
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US2865533A
Cited
US3081088A
Cited
US3175303A
Cited
US3174231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |