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US3248481A Expired / Lapsed US ⏱️ 0.0 years remaining

Telephone answering device

Assignee: Individual
•
Filing: 1962-06-06
•
Granted: 1966-04-26
•
Expires: 1982-06-06
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Abstract

No abstract record available.

Inventors

  • 👤 Walter F Grote
  • 👤 Edward J Kimmel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 22:47
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/60; H04M1/6033

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 189 words
IN A DEVICE FOR ANSWERING A HAND-SET TELEPHONE WITHOUT CONTACT THEREWITH BY THE PERSON ANSWERING, A FIRST COIL FOR INDUCTION OF CURRENT THEREIN UPON FLOW OF SIGNAL CURRENT FOR RINGING OF THE TELEPHONE, A FIRST AMPLIFIER ENERGIZED RESPONSIVE TO THE CURRENT INDUCED IN THE FIRST COIL, A FIRST VISIBLE SIGNAL REMOTE FROM THE TELEPHONE AND IN CIRCUIT FOR ACTUATION WHEN THE TELEPHONE RECEIVES A CALL, A FIRST RELAY ENERGIZED THROUGH THE FIRST AMPLIFIER FOR CONTROLLING THE FIRST VISIBLE SIGNAL REMOTE FROM THE TELEPHONE, MEANS FOR RECEIVING AN AUDIBLE SIGNAL MADE REMOTELY FROM THE TELEPHONE AND IN CIRCUIT FOR ACTUATION WHEN THE TELEPHONE RECEIVES A CALL, A SECOND AMPLIFIER ACTUATED RESPONSSIVE TO SAID ANOTHER SIGNAL ORIGINATING REMOTELY FROM THE TELEPHONE, SECOND RELAY ENERGIZED THROUGH THE FIRST AMPLIFIER, A SECOND VISIBLE SIGNAL ALSO ENERGIZED UPON ACTUATION OF THE SECOND AMPLIFIER, A STEP RELAY HAVING PLURAL CONTACTS ENGAGING INDIVIDUALLY IN SEQUENCE BEGINNING WITH A FIRST CONTACT UPON ENERGIZATION THEREOF UNER THE JOINT CONTROL OF THE FIRST AND SAID SECOND RELAYS, AND MEANS FOR CLOSING THE CIRCUIT OF THE TELEPHONE RECEIVER AND TRANSMITTER UPON MOVEMENT TO A GIVEN POSITION OF THE STEP RELAY.
Claim 2
Dependent Claim 189 words
IN A DEVICE FOR ANSWERING A HAND-SET TELEPHONE WITHOUT CONTACT THEREWITH BY THE PERSON ANSWERING, A FIRST COIL FOR INDUCTION OF CURRENT THEREIN UPON FLOW OF SIGNAL CURRENT FOR RINGING OF THE TELEPHONE, A FIRST AMPLIFIER ENERGIZED RESPONSIVE TO THE CURRENT INDUCED IN THE FIRST COIL, A FIRST VISIBLE SIGNAL REMOTE FROM THE TELEPHONE AND IN CIRCUIT FOR ACTUATION WHEN THE TELEPHONE RECEIVES A CALL, A FIRST RELAY ENERGIZED THROUGH THE FIRST AMPLIFIER FOR CONTROLLING THE FIRST VISIBLE SIGNAL REMOTE FROM THE TELEPHONE, MEANS FOR RECEIVING AN AUDIBLE SIGNAL MADE REMOTELY FROM THE TELEPHONE AND IN CIRCUIT FOR ACTUATION WHEN THE TELEPHONE RECEIVES A CALL, A SECOND AMPLIFIER ACTUATED RESPONSSIVE TO SAID ANOTHER SIGNAL ORIGINATING REMOTELY FROM THE TELEPHONE, SECOND RELAY ENERGIZED THROUGH THE FIRST AMPLIFIER, A SECOND VISIBLE SIGNAL ALSO ENERGIZED UPON ACTUATION OF THE SECOND AMPLIFIER, A STEP RELAY HAVING PLURAL CONTACTS ENGAGING INDIVIDUALLY IN SEQUENCE BEGINNING WITH A FIRST CONTACT UPON ENERGIZATION THEREOF UNER THE JOINT CONTROL OF THE FIRST AND SAID SECOND RELAYS, AND MEANS FOR CLOSING THE CIRCUIT OF THE TELEPHONE RECEIVER AND TRANSMITTER UPON MOVEMENT TO A GIVEN POSITION OF THE STEP RELAY.

References Cited (Backward Citations)

US2826636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-25 1969-10-25 1970-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-25 1973-10-25 1974-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-25 1977-10-25 1978-04-26 $7700.00 Window Closed / Lapsed

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