Patent US2779897A successfully refreshed from Google Patents.
US3215056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic copying machine
Assignee: AB Dick Co
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Filing: 1963-06-28
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Granted: 1965-11-02
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Sherell E Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:25
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/6242; G03B27/02; G03B27/04; G03B27/06; G03B27/10; G03B27/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
163 words
AN APPARATUS FOR MAKING COPIES FROM A FLEXIBLE ORIGINAL HAVING BOTH AN IMAGE AREA AND AT LEAST ONE MAGNETIC PORTION DISPOSED ALONG AN EDGE SPACED FROM THE IMAGE AREA COMPRISING A ROTATING AND LIGHT TRANSMITTING DRUM, A LIGHT SOURCE IN THE DRUM, FLEXIBLE GUIDING MEANS PASSING AROUND A FIRST PORTION OF THE PERIPHERY OF THE ROTATING DRUM, MEANS FOR GUIDING MOVEMENT OF THE ORIGINAL BETWEEN THE DRUM AND THE FLEXIBLE GUIDING MEANS SO THAT THE ORIGINAL IS AT LEAST PARTIALLY WRAPPED AROUND AND MOVES WITH THE DRUM THROUGH THE FIRST PORTION OF THE PATH OF ROTATION OF THE DRUM, AND HOLDING MEANS FOR APPLYING A MAGNETIC FIELD IN PROXIMITY TO THE DRUM IN A SECOND PORTION O THE PATH OF ROTATION OF THE DRUM SPACED FROM THE FIRST PORTION SO THAT THE MAGNETIC FIELD IS EFFECTIVE ON THE MAGNETIC PORTION OF THE ORIGINAL TO DETACHABLY SECURE THE ORIGINAL ON THE DRUM IN THE SECOND PORTION OF THE PATH OF ROTATION OF THE DRUM.
Claim 2
Independent Claim
163 words
AN APPARATUS FOR MAKING COPIES FROM A FLEXIBLE ORIGINAL HAVING BOTH AN IMAGE AREA AND AT LEAST ONE MAGNETIC PORTION DISPOSED ALONG AN EDGE SPACED FROM THE IMAGE AREA COMPRISING A ROTATING AND LIGHT TRANSMITTING DRUM, A LIGHT SOURCE IN THE DRUM, FLEXIBLE GUIDING MEANS PASSING AROUND A FIRST PORTION OF THE PERIPHERY OF THE ROTATING DRUM, MEANS FOR GUIDING MOVEMENT OF THE ORIGINAL BETWEEN THE DRUM AND THE FLEXIBLE GUIDING MEANS SO THAT THE ORIGINAL IS AT LEAST PARTIALLY WRAPPED AROUND AND MOVES WITH THE DRUM THROUGH THE FIRST PORTION OF THE PATH OF ROTATION OF THE DRUM, AND HOLDING MEANS FOR APPLYING A MAGNETIC FIELD IN PROXIMITY TO THE DRUM IN A SECOND PORTION O THE PATH OF ROTATION OF THE DRUM SPACED FROM THE FIRST PORTION SO THAT THE MAGNETIC FIELD IS EFFECTIVE ON THE MAGNETIC PORTION OF THE ORIGINAL TO DETACHABLY SECURE THE ORIGINAL ON THE DRUM IN THE SECOND PORTION OF THE PATH OF ROTATION OF THE DRUM.
Claim 3
Independent Claim
108 words
AN APPARATUS FOR MAKING COPIES OF AN ORIGINAL ON COPY SHEETS COMPRISING COPYING MEANS FOR PRODUCING SUCCESSIVE COPIES OF AN ORIGINAL ON COPY SHEETS, COPY SHEET FEEDING MEANS FOR FEEDING SUCCESSIVE SHEETS TO THE COPYING MEANS FROM A SUPPLY THEREOF, EJECTING MEANS FOR DISCHARGING AN ORIGINAL FROM THE COPYING MEANS, COUNTING MEANS RESPONSIVE TO THE NUMBER OF COPIES PRODUCED BY THE COPYING MEANS FOR OPERATING THE EJECTING MEANS TO DISCHARGE THE ORIGINAL WHEN A SELECTED NUMBER OF COPIES HAVE BEEN PRODUCED, AND DETECTING MEANS RESPONSIVE TO THE SUPPLY OF COPY SHEETS AND OPERATIVE IN RESPONSE TO DEPLETION OF THE SUPPLY OF COPY SHEETS FOR OPERATING THE EJECTING MEANS.
Claim 4
Independent Claim
108 words
AN APPARATUS FOR MAKING COPIES OF AN ORIGINAL ON COPY SHEETS COMPRISING COPYING MEANS FOR PRODUCING SUCCESSIVE COPIES OF AN ORIGINAL ON COPY SHEETS, COPY SHEET FEEDING MEANS FOR FEEDING SUCCESSIVE SHEETS TO THE COPYING MEANS FROM A SUPPLY THEREOF, EJECTING MEANS FOR DISCHARGING AN ORIGINAL FROM THE COPYING MEANS, COUNTING MEANS RESPONSIVE TO THE NUMBER OF COPIES PRODUCED BY THE COPYING MEANS FOR OPERATING THE EJECTING MEANS TO DISCHARGE THE ORIGINAL WHEN A SELECTED NUMBER OF COPIES HAVE BEEN PRODUCED, AND DETECTING MEANS RESPONSIVE TO THE SUPPLY OF COPY SHEETS AND OPERATIVE IN RESPONSE TO DEPLETION OF THE SUPPLY OF COPY SHEETS FOR OPERATING THE EJECTING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |