Patent US3312508A successfully refreshed from Google Patents.
US3312508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic alertness control
Assignee: Individual
•
Filing: 1964-12-30
•
Granted: 1967-04-04
•
Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 William M Keller
- 👤 Robert F Breese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:47
CPC Classifications
B; B60; B60L; B60L3/00; B60L3/02; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN A TIMING DEVICE, VISUAL DISPLAY MEANS INCLUDING TWO SEPARATE SERIES OF ELECTRICAL LAMPS, FIRST AND SECOND CIRCUIT MEANS ADAPTED TO SEQUENTIALLY ENERGIZE AND DE-ENERGIZE EACH LAMP IN THE FIRST AND SECOND SERIES RESPECTIVELY, SAID FIRST AND SAID SECOND CIRCUIT MEANS BEING SO SYNCHRONIZED THAT THE LAMPS IN ONE SERIES ARE THEREBY SEQUENTIALLY ILLUMINATED AT A RATE DIFFERENT FROM THAT OF THE OTHER SERIES, A THIRD CIRCUIT MEANS ASSOCIATED WITH SAID FIRST AND SECOND CIRCUIT MEANS AND EFFECTIVE TO ENERGIZE SIGNAL MEANS WHEN THE COMPLETE SET OF LAMPS IN ONE SERIES HAS BEEN ILLUMINATED A PREDETERMINED NUMBER OF TIMES MORE THAN THE COMPLETE SET OF LAMPS IN THE OTHER SERIES, FOURTH CIRCUIT MEANS EFFECTIVE A PREDETERMINED TIME AFTER SAID SIGNAL MEANS ARE ENERGIZED TO ENERGIZE A SECOND SIGNAL MEANS, MANUALLY OPERATED MEANS ASSOCIATED WITH THE CIRCUITS OF THE TIMING DEVICE TO REINITIATE THE SIMULTANEOUS COMMENCEMENT OF THE SEQUENTIAL ENERGIZATION OF THE LAMPS IN EACH OF THE TWO SERIES AND DE-ENERGIZE SAID SIGNAL MEANS AT ANY TIME PRIOR TO THE ENERGIZATION OF THE SAID SECOND SIGNAL MEANS.
Claim 2
Dependent Claim
176 words
IN A TIMING DEVICE, VISUAL DISPLAY MEANS INCLUDING TWO SEPARATE SERIES OF ELECTRICAL LAMPS, FIRST AND SECOND CIRCUIT MEANS ADAPTED TO SEQUENTIALLY ENERGIZE AND DE-ENERGIZE EACH LAMP IN THE FIRST AND SECOND SERIES RESPECTIVELY, SAID FIRST AND SAID SECOND CIRCUIT MEANS BEING SO SYNCHRONIZED THAT THE LAMPS IN ONE SERIES ARE THEREBY SEQUENTIALLY ILLUMINATED AT A RATE DIFFERENT FROM THAT OF THE OTHER SERIES, A THIRD CIRCUIT MEANS ASSOCIATED WITH SAID FIRST AND SECOND CIRCUIT MEANS AND EFFECTIVE TO ENERGIZE SIGNAL MEANS WHEN THE COMPLETE SET OF LAMPS IN ONE SERIES HAS BEEN ILLUMINATED A PREDETERMINED NUMBER OF TIMES MORE THAN THE COMPLETE SET OF LAMPS IN THE OTHER SERIES, FOURTH CIRCUIT MEANS EFFECTIVE A PREDETERMINED TIME AFTER SAID SIGNAL MEANS ARE ENERGIZED TO ENERGIZE A SECOND SIGNAL MEANS, MANUALLY OPERATED MEANS ASSOCIATED WITH THE CIRCUITS OF THE TIMING DEVICE TO REINITIATE THE SIMULTANEOUS COMMENCEMENT OF THE SEQUENTIAL ENERGIZATION OF THE LAMPS IN EACH OF THE TWO SERIES AND DE-ENERGIZE SAID SIGNAL MEANS AT ANY TIME PRIOR TO THE ENERGIZATION OF THE SAID SECOND SIGNAL MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |