Patent US3588240A successfully refreshed from Google Patents.
US3588240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray display means
Assignee: SHINTRON CO Inc
•
Filing: 1968-04-09
•
Granted: 1971-06-28
•
Expires: 1988-04-09
Abstract
Abstract AN X-RAY FILM HOLDER CONSISTING OF A FOLDED SHEET HAVING A SERIES OF ALIGNED REMOVABLE SECTIONS DEFINED BY PERFORATIONS WHICH MAY BE SELECTIVELY REMOVED FOR INSERTING STRIPS OF XRAY FILMS. A DISPLAY MACHINE FOR USE WITH THE HOLDER HAS A HORIZONTAL SLOT TO RECEIVE THE HOLDER. AN ELECTRICAL CIRCUIT CONTROLS A LIGHT SOURCE AND COOLING FAN. THE LIGHT SOURCE IS TURNED ON BY INSERTION OF THE HOLDER INTO THE SLOT. THIS FUNCTION IS ATTAINED BY A CIRCUIT WHICH INCLUDES A BALL BEARING RACE AND CONDUCTIVE PLATE WHICH UPON SEPARATION ACTUATES A RELAY MEANS TURNING ON THE LIGHT SOURCE. THE BALL BEARING RACE IS SEPARATED FROM THE CONDUCTIVE PLATE BY INSERTION OF THE HOLDER INTO THE SLOT.
Inventors
- 👤 Shintaro Asano
- 👤 Larry K Baxter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:55
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10; G03B21/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |