Flash discharge lamp device for photography
Abstract
Abstract A FLASH DISCHARGE LAMP DEVICE IS PROVIDED FOR A CAMERA LENS FOR A MAGNIFYING OR CLOSE-UP PHOTOGRAPHIC DEVICE. AN ADAPTED FITTING THE LENS MOUNTING OF AN INVERSELY MOUNTED LENS ON THE EXTENSION BELOWS SECURED TO THE CAMERA BODY, IS PROVIDED WITH AN ILLUMINATING LAMP AND A FLASH DISCHARGE LAMP. A PUSH BUTTOM AND PLUNGER, UPON DEPRESSION, CLOSES A SWITCH TO COMPLETE AN ELECTRICAL CIRCUIT FOR THE ILLUMINATING LAMP AND OPERATES A DIAPHRAGM LEVER TO OPEN THE LENS DIAPHRAGM TO ITS FULL APERTURE TO PERMIT FOCUSSING OF THE ILLUMINATED OBJECT TO BE PHOTOGRAPHED. RELEASE OF THE PUSH BUTTON OPENS THE SWITCH AND PERMITS THE DIAPHRAGM TO BE CLOSED DOWN BY THE DIAPHRAGM SPRING MECHANISM OF THE LENS TO A PRESET OPENING AND PERMITS A FLASH EXPOSURE TO BE MADE IN THE USUAL MANNER. D R A W I N G
Inventors
- 👤 Keno Okuno
Bibliographic Details
Claims Analysis
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |