US3616640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromatic clock
Assignee: ART CYCLE Inc
•
Filing: 1970-03-12
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Granted: 1971-11-02
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Expires: 1990-03-12
Abstract
Abstract A CHROMATIC CLOCK IN WHICH TWELVE SEGMENTS OF AN ANNULAR SPACE ON THE CLOCK FACE ARE CONTINUOUSLY ILLUMINATED WITH DIFFERENT RESPECTIVE COLORS AND IN WHICH THE ENCLOSED CIRCULAR SPACE IS SEQUENTIALLY ILLUMINATED WITH COLORS MATCHING THOSE OF THE SEGMENTS AS THE HOURS PASS SO THAT AN OBSERVER IS IMMEDIATELY MADE AWARE OF THE HOUR OF THE DAY. A MINUTE HAND COOPERATES WITH THE SEGMENTS OF THE ANNULUS IMMEDIATELY TO MAKE THE OBSERVER AWARE OF THE PARTICULAR FIVE-MINUTE INTERVAL OF THE HOUR.
Inventors
- 👤 Morton Resnicoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:46
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/30
Claims Analysis
Total Claims: 0
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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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |