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
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 |