Telephone index device
Abstract
Abstract AN INDEX DEVICE INCLUDES A HOUSING AND A DRAWER THEREIN SUPPORTING A PLURALITY OF EDGE-NOTCHED AND PERFORATED CARDS AND SLIDABLE INTO OPEN AND CLOSED POSITIONS AND HELD IN CLOSED POSITION BY A LATCH ROD PIVOTED IN THE HOUSING AND BIASED INTO COACTION WITH A KEEPER ON THE DRAWER, A MANUALLY OPERATED KEY LEVER FOR EACH CARD PIVOTED BETWEEN ITS ENDS IN THE HOUSING WHICH AT ONE END ACTUATES A CARD PULLER ON THE DRAWER INTO POSITION TO ENGAGE THE NOTCHED EDGE OF AN ASSOCIATED SELECTED CARD AND HAS A STUD WHICH AT THE SAME TIME ENTERS THE HOLES IN ALL CARDS ABOVE THE SELECTED ONE TO HOLD THEM AGAINST MOVEMENT WITH THE DRAWER AND THEN DIRECTLY ACTUATES THE LATCH ROD TO RELEASE THE DRAWER FOR MOVEMENT OUTWARDLY OF THE HOUSING WITH THE SELECTED CARD EXPOSED. D R A W I N G
Inventors
- 👤 R Beger
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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |