US3276200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic clock
Assignee: General Time Corp
•
Filing: 1964-08-27
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Granted: 1966-10-04
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 John D Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:15
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/02; G04G9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A SOLID STATE CLOCK, THE COMBINATION WHICH COMPRISES, A DELAY LINE INCLUDING A PLURALITY OF ELECTROLUMINESCENT PANELS POSITIONED IN AN ARRAY ON THE CLOCK FACE AT INTERVALS CORRESPONDING TO SUCCESSIVE POSITIONS OF THE CLOCK HANDS, MEANS INCLUDING ONLY SOLID STATE ELEMENTS ASSOCIATED WITH THE DELAY LINE AND OPERATIVE ACCORDING TO A PRESCRIBED TIME FUNCTION FOR CAUSING THE PANELS TO BE SELECTIVELY AND SUCCESSIVELY ILLUMINATED TO INDICATE THE SUCCEEDING POSITIONS OF THE MINUTE HAND, AND MEANS INCLUDING ONLY SOLID STATE ELEMENTS ASSOCIATED WITH THE DELAY LINE AND OPERATIVE ACCORDING TO A DIFFERENT PRESCRIBED TIME FUNCTION FOR CAUSING THE PANELS TO BE SELECTIVELY AND SUCCESSIVELY ILLUMINATED TO INDICATE THE SUCCEEDING POSITIONS OF THE HOUR HAND.
Claim 2
Dependent Claim
114 words
IN A SOLID STATE CLOCK, THE COMBINATION WHICH COMPRISES, A DELAY LINE INCLUDING A PLURALITY OF ELECTROLUMINESCENT PANELS POSITIONED IN AN ARRAY ON THE CLOCK FACE AT INTERVALS CORRESPONDING TO SUCCESSIVE POSITIONS OF THE CLOCK HANDS, MEANS INCLUDING ONLY SOLID STATE ELEMENTS ASSOCIATED WITH THE DELAY LINE AND OPERATIVE ACCORDING TO A PRESCRIBED TIME FUNCTION FOR CAUSING THE PANELS TO BE SELECTIVELY AND SUCCESSIVELY ILLUMINATED TO INDICATE THE SUCCEEDING POSITIONS OF THE MINUTE HAND, AND MEANS INCLUDING ONLY SOLID STATE ELEMENTS ASSOCIATED WITH THE DELAY LINE AND OPERATIVE ACCORDING TO A DIFFERENT PRESCRIBED TIME FUNCTION FOR CAUSING THE PANELS TO BE SELECTIVELY AND SUCCESSIVELY ILLUMINATED TO INDICATE THE SUCCEEDING POSITIONS OF THE HOUR HAND.
References Cited (Backward Citations)
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US1096779A
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US2542021A
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US2827233A
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US2900574A
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US3054929A
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US3066287A
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FR1281577A
Cited
US3194003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |