US3412378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic warning device
Assignee: Individual
•
Filing: 1962-04-27
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Granted: 1968-11-19
•
Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
- 👤 James R Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:57
CPC Classifications
B; B61; B61L; B61L29/00; B61L29/24; B61L29/246; G; G08; G08B; G08B1/00; G08B1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN ALARM SYSTEM FOR AN ENCLOSED VEHICLE OR THE LIKE COMPRISING, SENSING MEANS FOR RECEIVING UNCODED SIGNAL ENERGY RADIATED EXTERNAL TO THE VEHICLE OF VARYING FREQUENCY, AMPLITUDE AND DURATION, SIGNAL SELECTING MEANS OPERATIVELY CONNECTED TO THE SENSING MEANS FOR TRANSMITTING ONLY SIGNAL ENERGY INDICATIVE OF AN EXTERNALLY DANGEROUS CONDITION, EMERGENCY OPERATING MEANS OPERATIVELY CONNECTED TO THE SIGNAL SELECTING MEANS AND RESPONSIVE TO SIGNAL ENERGY TRANSMITTED THERETHROUGH FOR PROVIDING WARNING SIGNALS INTERNALLY OF SIAD VEHICLE FOR A PREDETERMINED OPERATIONAL PERIOD AND DURATION CONTROL MEANS OPERATIVELY CONNECTED TO THE OPERATING MEANS AND SIGNAL SELECTING MEANS OPERATIVE IN RESPONSE TO SAID TRANSMISSION OF THE SIGNAL ENERGY FOR RESTRICTING RESPONSE OF THE EMERGENCY OPERATING MEANS TO RADIATED SIGNAL ENERGY PERSISTING FOR PREDETERMINED DURATION.
Claim 2
Dependent Claim
119 words
AN ALARM SYSTEM FOR AN ENCLOSED VEHICLE OR THE LIKE COMPRISING, SENSING MEANS FOR RECEIVING UNCODED SIGNAL ENERGY RADIATED EXTERNAL TO THE VEHICLE OF VARYING FREQUENCY, AMPLITUDE AND DURATION, SIGNAL SELECTING MEANS OPERATIVELY CONNECTED TO THE SENSING MEANS FOR TRANSMITTING ONLY SIGNAL ENERGY INDICATIVE OF AN EXTERNALLY DANGEROUS CONDITION, EMERGENCY OPERATING MEANS OPERATIVELY CONNECTED TO THE SIGNAL SELECTING MEANS AND RESPONSIVE TO SIGNAL ENERGY TRANSMITTED THERETHROUGH FOR PROVIDING WARNING SIGNALS INTERNALLY OF SIAD VEHICLE FOR A PREDETERMINED OPERATIONAL PERIOD AND DURATION CONTROL MEANS OPERATIVELY CONNECTED TO THE OPERATING MEANS AND SIGNAL SELECTING MEANS OPERATIVE IN RESPONSE TO SAID TRANSMISSION OF THE SIGNAL ENERGY FOR RESTRICTING RESPONSE OF THE EMERGENCY OPERATING MEANS TO RADIATED SIGNAL ENERGY PERSISTING FOR PREDETERMINED DURATION.
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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |