Copying apparatus
Abstract
Abstract THE INVENTION IS AN APPARTUS WHICH IS AN IMPROVEMENT OVER EXISTING COPYING MACHINES SUCH AS THE ELECTROSTATIC TYPE OF MACHINE. THE APPARATUS PROVIDES A HOLDER FOR A DOCUMENT FOR HOLDING IT ON THE PLATEN OF A COPYING MACHINE FOR COPYING ONE SURFACE OF THE DOCUMENT, AND THEN AUTOMATICALLY MOVABLE MEANS TURN THE HOLDER AND DOCUMENT OVER ON THE PLATEN SO THAT THE OTHER SIDE WILL BE COPIED. EITHER A SINGLE OR A PLURALITY OF DOCUMENTS MAY HAVE BOTH SIDES COPIED ON A SINGLE SHEET OF PAPER. THE HOLDER IS PIVOTALLY MOUNTED ON THE COPYING MACHINE, AND IS AUTOMATICALLY SWUNG TO EITHER OF TWO POSITIONS WITH RESPECT TO THE PLATEN, IN ONE OF WHICH ONE SIDE OF THE MATERIAL IS COPIED, AND IN THE OTHER, THE OTHER SIDE OF THE MATERIAL IS COPIED.
Inventors
- 👤 Lester L Burdlck Jr
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |