US3192671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel structures
Assignee: United States Stoneware Co
•
Filing: 1961-04-10
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Granted: 1965-07-06
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Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Margaret J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:06
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/14; E04B1/38; E04B1/61; E04B1/6108; E04B1/6116; E04B1/612; E04B1/6145; E04B1/6179; E04B1/6187
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
THE COMBINATION OF AN EDGE ELEMENT AND TWO PANELS, EACH PANEL COMPRISING A CORE AND TWO PARALLEL SURFACE SHEETS WHICH PROTRUDE BEYOND ONE EDGE OF THE CORE THEREOF, THE CORE OF EACH PANEL BEING SUBJECT TO ATTACK BY MOISTURE AND BEING EXPOSED AT THE EDGE OF THE PANEL WITHIN ITS EDGE ELEMENT, SAID PROTRUDING PORTIONS OF THE SURFACE SHEETS OF THE RESPECTIVE PANELS EXTENDING TOWARD ONE ANOTHER, THE EDGER ELEMENT BEING COMPOSED OF TWO PARALLEL WALLS AND A SPACER BETWEEN THEM, SAID TWO WALLS BEING WITHIN THE PROTRUDING PORTIONS OF THE SURFACE SHEETS AND CLOSE ENOGH THERETO TO PROVIDE CAPILLARY SPACES THEREBETWEEN, THERE BEING A PLURALITY OF MORE THAN TWO GROOVES IN THE OUTER SURFACES OF THE TWO WALLS EACH EXTENDING LON-
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |