US3130297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital clock system
Assignee: Individual
•
Filing: 1961-11-06
•
Granted: 1964-04-21
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Venn
- 👤 Donald H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:53
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A DIGITAL CLOCK SYSTEM COMPRISING A TIME INFORMATION SOURCE; A PLURALITY OF SUBSTANTIALLY IDENTICAL BIT COUNTERS, EACH OF SAID BIT COUNTERS CONNECTED TO SAID SOURCE TO COUNT THE OUTPUT THEREOF; AT LEAST ONE CODED BIT PROGRAMMER MEANS, AT LEAST ONE PLURALITY OF SIGNAL COMPARATOR MEANS, EACH COMPARATOR MEANS CONNECTED TO COMPARE THE OUTPUT OF A RESPECTIVE BIT COUNTER IN SAID PLURALITY THEREOF AND THE OUTPUT OF SAID PROGRAMMER MEANS; AT LEAST ONE PLURALITY OF GATING MEANS OF THE "AND" VARIETY, EACH OF SAID GATING MEANS OF THE "AND" VARIETY HAVING INPUT CONNECTIONS TO AT LEAST TWO OF SAID COMPARATORS IN SAID PLURALITY THEREOF, AT LEAST ONE GATING MEANS OF THE "OR" VARIETY, THE INPUTS OF SAID GATING MEANS OF THE "OR" VARIETY CONNECTED TO THE OUTPUTS OF SAID GATING MEANS OF THE "AND" VARIETY IN SAID PLURALITY
Claim 2
Dependent Claim
137 words
A DIGITAL CLOCK SYSTEM COMPRISING A TIME INFORMATION SOURCE; A PLURALITY OF SUBSTANTIALLY IDENTICAL BIT COUNTERS, EACH OF SAID BIT COUNTERS CONNECTED TO SAID SOURCE TO COUNT THE OUTPUT THEREOF; AT LEAST ONE CODED BIT PROGRAMMER MEANS, AT LEAST ONE PLURALITY OF SIGNAL COMPARATOR MEANS, EACH COMPARATOR MEANS CONNECTED TO COMPARE THE OUTPUT OF A RESPECTIVE BIT COUNTER IN SAID PLURALITY THEREOF AND THE OUTPUT OF SAID PROGRAMMER MEANS; AT LEAST ONE PLURALITY OF GATING MEANS OF THE "AND" VARIETY, EACH OF SAID GATING MEANS OF THE "AND" VARIETY HAVING INPUT CONNECTIONS TO AT LEAST TWO OF SAID COMPARATORS IN SAID PLURALITY THEREOF, AT LEAST ONE GATING MEANS OF THE "OR" VARIETY, THE INPUTS OF SAID GATING MEANS OF THE "OR" VARIETY CONNECTED TO THE OUTPUTS OF SAID GATING MEANS OF THE "AND" VARIETY IN SAID PLURALITY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |