Locating and measuring device for a football playing field
Abstract
Abstract A LOCATING AND MEASURING DEVICE ADAPTED FOR USE WITH A FOOTBALL PLAYING FIELD GENERALLY INCLUDING A PAIR OF GUIDE MEANS DISPOSED PARALLEL TO A SIDE LINE OF THE PLAYING FIELD, A YARDAGE SCALE DISPOSED PARALLEL AND BETWEEN THE GUIDE MEANS, A FIRST CARRIER MEMBER MOUNTED ON ONE OF THE GUIDE MEANS AND FREELY MOVABLE THEREALONG, A SIGHTING DEVICE MOUNTED ON SUCH CARRIER MEANS, HAVING A SIGHTING AXIS DISPOSED IN A VERTICAL PLANE DISPOSED PERPENDICULAR TO THE GUIDE MEANS, A POINTER DISPOSED ON THE CARRIER MEANS HAVING A MARKER COOPERABLE WITH THE SCALE FOR INDICATING THE LOCATION OF THE BALL ON THE PLAYING FIELD VIEWED THROUGH THE SIGHTING MEANS, A SECOND CARRIER MEANS MOUNTED ON THE SECOND GUIDE MEANS AND FREELY MOVABLE THEREALONG INDEPENDENTLY OF THE FIRST CARRIER MEANS, AND THE SECOND CARRIER MEANS HAVING A PAIR OF LONGITUDINALLY SPACED POINTERS WITH MARKERS COOPERABLE WITH THE SCALE, THE MARKERS BEING SPACED TEN YARDS APART.
Inventors
- 👤 John C Hunt
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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |