Patent US3272205A successfully refreshed from Google Patents.
US3272205A
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Assignee: 3M Co
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Filing: 1964-07-02
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Granted: 1966-09-13
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Expires: 1984-07-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Shrewsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:18
CPC Classifications
G; G06; G06K; G06K21/00; G06K21/04; G06K17/00; G06K21/02; Y; Y10; Y10S; Y10S209/00; Y10S209/938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN APPARATUS FOR RETRIEVING INFORMATION FROM INFORMATION BEARING CARDS BY DIRECTING LIGHT THROUGH SAID CARDS WHEREIN EACH CARD HAS AT LEAST ONE OPTICAL DISCONTINUITY AREA IN THE BODY OF THE CARD ARRANGED IN SOME PREDETERMINED CODED ORDER WHEREBY LIGHT IS DEFLECTED BY SAID OPTICAL DISCONTINUITY AREA, SAID APPARATUS COMPRISING: MEANS FOR PRODUCING A BEAM OF GENERALLY PARALLEL LIGHT AND DIRECTING THE SAME ALONG A PREDETERMIED PATH, MEANS FOR SUPPORTING AT LEAST ONE OF SAID CARDS IN THE PATH OF SAID LIGHT WITH A PREDETERMINED PORTION OF A PREDETERMINED EDGE OF SAID CARD SUBSTANTIALLY NORMAL TO AND IN A SAID BEAM OF LIGHT WHEREBY SAID BEAM OF LIGHT WILL ENTER SAID PREDETERMINED EDGE OF SAID CARD AT A PREDETERMINED LOCATION TO PASS THERETHROUGH, AND MEANS ARRANGED ALONG A SECOND EDGE OF A SAID CARD FOR DETERMINING THE LOCATION ALONG SAID SECOND EDGE AT WHICH SAID DEFLECTED LIGHT EMERGES.
Claim 2
Independent Claim
147 words
AN APPARATUS FOR RETRIEVING INFORMATION FROM INFORMATION BEARING CARDS BY DIRECTING LIGHT THROUGH SAID CARDS WHEREIN EACH CARD HAS AT LEAST ONE OPTICAL DISCONTINUITY AREA IN THE BODY OF THE CARD ARRANGED IN SOME PREDETERMINED CODED ORDER WHEREBY LIGHT IS DEFLECTED BY SAID OPTICAL DISCONTINUITY AREA, SAID APPARATUS COMPRISING: MEANS FOR PRODUCING A BEAM OF GENERALLY PARALLEL LIGHT AND DIRECTING THE SAME ALONG A PREDETERMIED PATH, MEANS FOR SUPPORTING AT LEAST ONE OF SAID CARDS IN THE PATH OF SAID LIGHT WITH A PREDETERMINED PORTION OF A PREDETERMINED EDGE OF SAID CARD SUBSTANTIALLY NORMAL TO AND IN A SAID BEAM OF LIGHT WHEREBY SAID BEAM OF LIGHT WILL ENTER SAID PREDETERMINED EDGE OF SAID CARD AT A PREDETERMINED LOCATION TO PASS THERETHROUGH, AND MEANS ARRANGED ALONG A SECOND EDGE OF A SAID CARD FOR DETERMINING THE LOCATION ALONG SAID SECOND EDGE AT WHICH SAID DEFLECTED LIGHT EMERGES.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |