US3613352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating device
Assignee: Individual
•
Filing: 1969-06-09
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Granted: 1971-10-19
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Expires: 1989-06-09
Abstract
Abstract AN INDICATING DEVICE HAS A DIAL PROVIDED WITH AN EXPOSED SURFACE. MARKING MEANS SUBDIVIDES THE DIAL AND PROVIDES IT WITH A FIRST SERIES OF IDENTICAL SURFACE PORTIONS EACH OF WHICH IS REPRESENTATIVE OF A PREDETERMINED NUMBER OF MINUTES, AND A SECOND SERIES OF IDENTICAL SURFACE PORTIONS EACH REPRESENTATIVE OF A PREDETERMINED NUMBER OF HOURS. ILLUMINATING MEANS SEQUENTIALLY ILLUMINATES AT LEAST ONE SURFACE PORTION EACH OF THE FIRST AND SECOND SERIES FOR PROVIDING AN INDICATION OF ELAPSED TIME.
Inventors
- 👤 Werner Giersiepen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:33
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/02; G04G9/04; G04G9/042
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) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |