US3557503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall panel structure and method of making same
Assignee: Butler Manufacturing Co
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Filing: 1968-07-03
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Granted: 1971-01-26
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Expires: 1988-07-03
Abstract
Abstract ADJACENT SPACED PANELS OF WALL STRUCTURE ARE PROVIDED WITH ELONGATED LONGITUDINALLY EXTENDING GROOVES IN THE FACING EDGES OF THE PANELS FOR RECEIVING OPPOSITE LATERALLY EXTENDING PORTIONS OR TONGUES ON OPPOSITE SIDES OF A SPLINE MEANS TO PROVIDE A RIGID SEALED JOINT THEREBETWEEN. THE SPLINE MEANS COMPRISES A RESILIENT COMPRESSIBLE CORE OR BODY PART WITH OPPOSITE RIGID FACE OR SHELL MEANS THEREON. THE SPLINE MEANS MAY BE PRECOMPRESSED AND RETAINED IN SUCH STATE BY A RETAINING MEMBER OF FRANGIBLE MATERIAL WHICH IS SEVERED AFTER THE SPLINE IS INSERTED IN PLACE THEREBY ALLOWING THE SPLINE TO EXPAND INTO FINAL ASSEMBLED POSITION.
Inventors
- 👤 Marvin K Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6812
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) | 1974-01-25 | 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 |