US3312033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow panel
Assignee: Utah Construction and Mining Co
•
Filing: 1964-05-25
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Granted: 1967-04-04
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 John R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:31
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PANEL COMPRISING A RECTANGULAR FRAME, SPACED SKINS SECURED TO OPPOSITE SIDES OF SAID FRAME TO DEFINE A HOLLOW PANEL, A PLURALITY OF NON-INTERSECTING RIBS EXTENDING ADJACENT ONE ANOTHER AND HAVING THEIR EDGES SECURED TO SAID SKINS, SAID RIBS HAVING AT LEAST ONE END MEETING AT A CORNER OF SAID PANEL TO TRANSFER FORCES APPLIED TO THE SKINS ALONG THE RIBS TO THE CORNER, SAID RIBS SPREADING AWAY FROM ONE ANOTHER AWAY FROM THE CORNER, AND MEANS AT THE OTHER END OF SAID RIBS FOR TRANSFERRING ALONG THE RIBS FORCES APPLIED TO SAID SKINS TO AN ADJACENT SUPPORT POINT.
Claim 2
Dependent Claim
99 words
A PANEL COMPRISING A RECTANGULAR FRAME, SPACED SKINS SECURED TO OPPOSITE SIDES OF SAID FRAME TO DEFINE A HOLLOW PANEL, A PLURALITY OF NON-INTERSECTING RIBS EXTENDING ADJACENT ONE ANOTHER AND HAVING THEIR EDGES SECURED TO SAID SKINS, SAID RIBS HAVING AT LEAST ONE END MEETING AT A CORNER OF SAID PANEL TO TRANSFER FORCES APPLIED TO THE SKINS ALONG THE RIBS TO THE CORNER, SAID RIBS SPREADING AWAY FROM ONE ANOTHER AWAY FROM THE CORNER, AND MEANS AT THE OTHER END OF SAID RIBS FOR TRANSFERRING ALONG THE RIBS FORCES APPLIED TO SAID SKINS TO AN ADJACENT SUPPORT POINT.
References Cited (Backward Citations)
US2109009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |