Dials for stop watches
Abstract
Abstract A STOP WATCH DIAL HAVING TWO OR MORE CONCENTRICALLY ARRANGED SCALES FOR INDICATING AN ESTIMATED TIME SPENT IN COVERING A GIVEN NORMAL DISTANCE, AND THE SCALES ARE SO GRADUATED THAT WITH THE AID OF THE WATCH HAND ONE CAN READ THE TIME SPENT IN COVERING THE DISTANCE OR THE SPEED. THE DIAL PERMITS DIRECTLY READING THE ESTIMATED SPEED OR TIME PER NORMAL LENGTH UNIT AND SIMULTANEOUSLY IT INDICATES THE SIZE OF THE DIVISION FROM A GIVEN INDEAL SPEED OR TIME FOR THE NORMAL LENGTH UNIT. THE DIAL IS SUITED FOR USE IN MEASURING SPEEDS OR THE TIME SPENT IN COVERING DISTANCES AT RACES OVER GIVEN DISTANCES, AND THE SCALES OF THE DIAL ARE SO GRALUATED THAT, WHEN THE WATCH IN STOPPED AFTER A SHORT OR LONG DISTANCE HAS BEEN COVERED, THE SPEED AND TIME, RESPECTIVELY, FOR THE NORMAL DISTANCE OR NORMAL LENGTH UNIT COMMON TO THE TWO SCALES CAN BE DIRECTLY READ.
Inventors
- 👤 Anders Elis Bernhard Rejminger
Bibliographic Details
Claims Analysis
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |