Massive sleeper construction for flooring
Abstract
Abstract A SLEEPER CONSTRUCTION FOR FLOORING. PAIRS OF METALLIC RETAINERS ARE SECURED IN PARALLELISM TO A SUPPORTING SURFACE BELOW THE FLOORING. THE RETAINERS ARE LONE AND POSITIONED IN THE MANNER OF SLEEPERS. AND SLEEPER SECTIONS ARE LAID ON EACH RETAINER IN LONGITUDINAL SUCCESSION. EACH PAIR OF RETAINERS IS BENT UP ON THE OUTER SIDE TO FORM FACING CHANNELS DEFINING INWARD HOOKS. THE SLEEPER SECTIONS ARE GROOVED IN THE OUTER SIDES TO RECEIVE THE HOOKS FROM THE RETAINERS, BECOMING INTERLOCKED AGAINST SEPARATION FROM THE SAME, BUT FREELY SLIDABLE ALONG THE RETAINERS, AND THE BASE PORTIONS OF THE LATTER RECEIVE A LAYER OF MASTIC BEFORE THE SLEEPER SECTIONS ARE MOUNTED ON THE RETAINERS. THE SLEEPER SERIES TERMINATES ENDWISE SPACEDLY FROM A WALL TOWARD WHICH THE FLOORING IS LAID, AND FLOORING ALSO TERMINATES IN THIS MANNER. THUS, WHEN THE FLOORING ANILED TO THE SLEEPER SECTIONS, EXPANDS FROM MOISTURE THE SLEEPER SECTIONS SLIDE ALONG THE RETAINERS TO RELIEVE THE PRESSURE OF THE FLOORING AND PREVENT IT FROM BUDKLINE, AND THE RETAINERS SERVE AS FIXED GUIDES TO PREVENT THE SLEEPER SECTIONS FROM BEING THROWN OUT OF LINE. THE MASTIC BETWEEN THE SLEEPER SECTIONS AND THE RETAINERS SERVES TO EASE THE SLIDING OF THE SLEEPER SECTIONS, AND PREVENTS THE FLOORING FROM CREACKING OR RATTLING.
Inventors
- 👤 William A Boettcher
Bibliographic Details
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |