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US3288046A Expired / Lapsed US ⏱️ 0.0 years remaining

Step-by-step feed system for photocopying apparatus

Assignee: Gretag AG
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Filing: 1964-03-09
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Granted: 1966-11-29
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Expires: 1984-03-09
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Abstract

No abstract record available.

Inventors

  • 👤 Mey Hansjuerg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 16:56
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/188; B65H23/1882; G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/58; G03B27/587

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 182 words
A STEP-BY-STEP FEED MECHANISM FOR PHOTOCOPYING APPARATUS ADAPTED TO OPERATE WITH COPYING MATERIAL IN STRIP FORM, COMPRISING AN ADJUSTABLE LENGTH MASKING DEVICE DEFINING A CORRESPONDINGLY ADJUSTABLE LENGTH PICTURE APERTURE, ROLLER GUIDE MEANS FOR GUIDING A STRIP OF COPYING MATERIAL IN A PLANE PARALLEL TO THE PLANE OF SAID MASKING DEVICE ADJACENT SAID PICTURE APERTURE AND LONGITUDINALLY THEREOF, SAID MASKING DEVICE INCLUDING FIRST AND SECOND PARALLEL SPACED PARTS LYING TRANSVERSELY OF THE DIRECTION OF TRAVEL OF THE COPYING MATERIAL WHICH ESTABLISH THE UPPER AND LOWER SIDES OF SAID PICTURE APERTURE, SAID FIRST AND SECOND PARTS BEING ADJUSTABLE PARALLEL TO THEMSELVES TOWARDS AND AWAY FROM EACH OTHER TO CORRESPONDINGLY SHORTEN OR LENGTHEN SAID PICTURE APERTURE IN ACCORDANCE WITH THE REQUIREMENTS OF A PICTURE FORMAT, A MARKING DEVICE INCLUDING MEANS FOR MAKING A MARK ON THE COPYING MATERIAL BEFORE THE MATERIAL ENTERS SAID PICTURE APERTURE, SAID MARKING DEVICE AND SAID FIRST PART OF SAID MASKING DEVICE BEING COUPLED TOGETHER FOR MOVEMENT AS A UNIT AS SAID FIRST PART IS ADJUSTED, A SENSING DEVICE INCLUDING MEANS FOR DETECTING MARKS MADE ON THE COPY MATERIAL BY SAID
Claim 2
Dependent Claim 182 words
A STEP-BY-STEP FEED MECHANISM FOR PHOTOCOPYING APPARATUS ADAPTED TO OPERATE WITH COPYING MATERIAL IN STRIP FORM, COMPRISING AN ADJUSTABLE LENGTH MASKING DEVICE DEFINING A CORRESPONDINGLY ADJUSTABLE LENGTH PICTURE APERTURE, ROLLER GUIDE MEANS FOR GUIDING A STRIP OF COPYING MATERIAL IN A PLANE PARALLEL TO THE PLANE OF SAID MASKING DEVICE ADJACENT SAID PICTURE APERTURE AND LONGITUDINALLY THEREOF, SAID MASKING DEVICE INCLUDING FIRST AND SECOND PARALLEL SPACED PARTS LYING TRANSVERSELY OF THE DIRECTION OF TRAVEL OF THE COPYING MATERIAL WHICH ESTABLISH THE UPPER AND LOWER SIDES OF SAID PICTURE APERTURE, SAID FIRST AND SECOND PARTS BEING ADJUSTABLE PARALLEL TO THEMSELVES TOWARDS AND AWAY FROM EACH OTHER TO CORRESPONDINGLY SHORTEN OR LENGTHEN SAID PICTURE APERTURE IN ACCORDANCE WITH THE REQUIREMENTS OF A PICTURE FORMAT, A MARKING DEVICE INCLUDING MEANS FOR MAKING A MARK ON THE COPYING MATERIAL BEFORE THE MATERIAL ENTERS SAID PICTURE APERTURE, SAID MARKING DEVICE AND SAID FIRST PART OF SAID MASKING DEVICE BEING COUPLED TOGETHER FOR MOVEMENT AS A UNIT AS SAID FIRST PART IS ADJUSTED, A SENSING DEVICE INCLUDING MEANS FOR DETECTING MARKS MADE ON THE COPY MATERIAL BY SAID

References Cited (Backward Citations)

US2349941A Cited
US2948207A Cited
DE1133239B Cited
US2928328A 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

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