US3087017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prepay paystation telephone arrangement
Assignee: Automatic Electric Laboratories Inc
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Filing: 1958-09-16
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Granted: 1963-04-23
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Expires: 1978-09-16
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Lomax
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:37
CPC Classifications
H; H04; H04M; H04M17/00; H04M17/02; H04M17/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A TELEPHONE SYSTEM, A PREPAY PAYSTATION OF THE TYPE HAVING A COIN MAGNET FOR REFUNDING AND COLLECTING A COIN DEPOSIT UPON RECEIPT OF A FIRST OR SECOND HIGH VOLTAGE POTENTIAL, SAID COIN MAGNET CONNECTED ACROSS ONE SIDE OF THE CALLING LINE UPON RECEIPT OF A SUITABLE COIN DEPOSIT, A RELAY CONNECTED IN SERIES WITH SAID COIN MAGNET INCLUDING AN INTERPOSED NEON TUBE, SAID RELAY HAVING A HIGH RESISTANCE WINDING AND A LOW RESISTANCE WINDING, SHUNT CIRCUIT MEANS INCLUDING SAID LOW RESISTANCE WINDING NORMALLY SHUNTED TO PREVENT OPERATION OF SAID RELAY BY AN INDUCTIVE KICK, MEANS RESPONSIVE TO THE RECEIPT OF SAID FIRST OR SECOND HIGH VOLTAGE POTENTIAL FOR FIRING SAID TUBE AND OPERATING SAID RELAY THROUGH ITS HIGH RESISTANCE WINDING, AND
Claim 2
Dependent Claim
122 words
IN A TELEPHONE SYSTEM, A PREPAY PAYSTATION OF THE TYPE HAVING A COIN MAGNET FOR REFUNDING AND COLLECTING A COIN DEPOSIT UPON RECEIPT OF A FIRST OR SECOND HIGH VOLTAGE POTENTIAL, SAID COIN MAGNET CONNECTED ACROSS ONE SIDE OF THE CALLING LINE UPON RECEIPT OF A SUITABLE COIN DEPOSIT, A RELAY CONNECTED IN SERIES WITH SAID COIN MAGNET INCLUDING AN INTERPOSED NEON TUBE, SAID RELAY HAVING A HIGH RESISTANCE WINDING AND A LOW RESISTANCE WINDING, SHUNT CIRCUIT MEANS INCLUDING SAID LOW RESISTANCE WINDING NORMALLY SHUNTED TO PREVENT OPERATION OF SAID RELAY BY AN INDUCTIVE KICK, MEANS RESPONSIVE TO THE RECEIPT OF SAID FIRST OR SECOND HIGH VOLTAGE POTENTIAL FOR FIRING SAID TUBE AND OPERATING SAID RELAY THROUGH ITS HIGH RESISTANCE WINDING, AND
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |