US3343142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xerographic coding and information storage on a specular business machine card
Assignee: Xerox Corp
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Filing: 1963-01-02
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Granted: 1967-09-19
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Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Harold E Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:50
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G06; G06K; G06K1/00; G06K1/14; G06K1/16; Y; Y10; Y10S; Y10S347/00; Y10S347/90
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
AN INFORMATION STORAGE AND RETRIEVAL SYSTEM INCLUDING: A XEROGRAPHIC DRUM, MEANS FOR APPLYING A RETRIEVAL CODE FOR AN ORIGINAL DOCUMENT IN THE FORM OF A LATENT ELECTROSTATIC DOT PATTERN TO A FIRST PORTION OF SAID XEROGRAPHIC DRUM, MEANS FOR FORMING A LATENT ELECTROSTATIC REDUCED IMAGE OF SAID ORIGINAL DOCUMENT TO A SECOND PORTION OF SAID XEROGRAPHIC DRUM, MEANS FOR SYNCHRONIZING SAID IMAGE FORMING MEANS WITH SAID DOT FORMING MEANS, MEANS FOR DEVELOPING BOTH SAID LATEN ELECTROSTATIC REDUCED IMAGE AND SAID LATENT ELECTROSTATIC DOT PATTERN, MEANS FOR FEEDING A BUSINESS MACHINE CARD HAVING A HIGHLY SPECULAR REFLECTING SURFACE TO SAID DRUM, MEANS FOR TRANSFERRING BOTH THE DEVELOPED IMAGE AND THE DEVELOPED DOT PATTERN TO A HIGHLY SPECULAR SURFACE OF A BUSINESS MACHINE CARD, AND MEANS TO FIX BOTH THE DEVELOPED IMAGE AND THE DEVELOPED DOT PATTERN TO SAID CARD.
References Cited (Backward Citations)
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |