Measuring instrument
Abstract
Abstract A COMBINATION MEASURING, MARKING, ANGLE MEASURING, AND ARC-SCRIBING INSTRUMENT, INCLUDING BUBBLE LEVELS. THE INSTRUMENT HAS A CASE CONTAINING A FLEXIBLE MEASURING TAPE, A PLUMB BOB CORD REEL WITH CORD AND PLUMB BOB ATTACHED, AND ANGLE SCALE, AND ADJACENT DISTANCE SCALES ARRANGED CONCENTRICALLY ON AN ARC WITH PIVOTED POINTER SWINGABLE THEREOVER. THE POINTER HAS A CLAMP FOR SECURING IT IN ADJUSTED POSITION. A SCRIBER ARM IS ATTACHED PERPENDICULARLY TO THE POINTER AND IS SWINGABLE OUTWARDLY RELATIVE TO A SIDE EDGE OF THE CASE. THE CASE CONTAINS AN EXTENSIBLE CENTER PIVOT POINT WHICH CAN BE ENGAGED IN A SURFACE TO BE SCRIBED. THE CENTER PIVOT POINT IS BIASED TO A NORMALLY RETRACTED POSITION, BUT CAN BE MANUALLY EXTENDED AND ROTATED TO LOCK IT IN EXTENDED POSITION.
Inventors
- 👤 Garth A Showers
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |