US3281541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Touch sensitive telephone calling apparatus
Assignee: Individual
•
Filing: 1963-05-13
•
Granted: 1966-10-25
•
Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 Leonard R Learner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:56
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A TELEPHONE CALLING MECHANISM COMPRISING A HOUSING, A PLURALITY OF TOUCH PLATES ON SAID HOUSING, A CAPACITANCE SENSING MEANS CONNECTED TO EACH TOUCH PLATE, A TELEPHONE SIGNAL UTILIZATION MEANS, SAID CAPACITANCE SENSING MEANS BEING OPERATIVE TO TRANSMIT A SIGNAL TO SAID TELEPHONE SIGNAL UTILIZATION MEANS WHEN A PERSON TOUCHES A PARTICULAR TOUCH PLATE, SAID LAST-MENTIONED SIGNAL BEING INDICATIVE OF SAID PARTICULAR TOUCH PLATE, INDIVIDUAL INDICATING MEANS ASSOCIATED WITH EACH OF SAID TOUCH PLATES, EACH PARTICULAR INDICATING MEANS BEING PLACED IN AN INDICATING STATE BY SAID CAPACITIVE SENSING MEANS WHEN A PERSON TOUCHES THE PARTICULAR TOUCH PLATE ASSOCIATED WITH SAID PARTICULAR INDICATING MEANS, SAID PARTICULAR INDICATING MEANS BEING DEPENDENT FOR RETURN TO ITS ORIGINAL STATE ON TRANSMITTAL OF THE SIGNAL ASSOCIATED WITH SAID PARTICULAR TOUCH PLATE TO SAID TELEPHONE SIGNAL UTILIZATION MEANS AND INDEPENDENT OF THE TIME A PERSON TOUCHES THE PARTICULAR TOUCH PLATE.
Claim 2
Dependent Claim
143 words
A TELEPHONE CALLING MECHANISM COMPRISING A HOUSING, A PLURALITY OF TOUCH PLATES ON SAID HOUSING, A CAPACITANCE SENSING MEANS CONNECTED TO EACH TOUCH PLATE, A TELEPHONE SIGNAL UTILIZATION MEANS, SAID CAPACITANCE SENSING MEANS BEING OPERATIVE TO TRANSMIT A SIGNAL TO SAID TELEPHONE SIGNAL UTILIZATION MEANS WHEN A PERSON TOUCHES A PARTICULAR TOUCH PLATE, SAID LAST-MENTIONED SIGNAL BEING INDICATIVE OF SAID PARTICULAR TOUCH PLATE, INDIVIDUAL INDICATING MEANS ASSOCIATED WITH EACH OF SAID TOUCH PLATES, EACH PARTICULAR INDICATING MEANS BEING PLACED IN AN INDICATING STATE BY SAID CAPACITIVE SENSING MEANS WHEN A PERSON TOUCHES THE PARTICULAR TOUCH PLATE ASSOCIATED WITH SAID PARTICULAR INDICATING MEANS, SAID PARTICULAR INDICATING MEANS BEING DEPENDENT FOR RETURN TO ITS ORIGINAL STATE ON TRANSMITTAL OF THE SIGNAL ASSOCIATED WITH SAID PARTICULAR TOUCH PLATE TO SAID TELEPHONE SIGNAL UTILIZATION MEANS AND INDEPENDENT OF THE TIME A PERSON TOUCHES THE PARTICULAR TOUCH PLATE.
References Cited (Backward Citations)
US2810066A
Cited
US3184554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |