US3535844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural panels
Assignee: Hospitality Homes
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Filing: 1968-07-15
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Granted: 1970-10-27
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Expires: 1988-07-15
Abstract
Abstract A structural panel forming member and a panel are provided; the panel forming member is made up of a continuous sheet of material of uniform thickness having an outer face forming an exposed wall surface and an opposite inner surface, opposite first and second side edges and opposite first and second end edges, said first side edge being bent to form a groove-like recess spaced from the outer face, the second side edge being bent to form a tongue spaced form the outer face and adapted to fit within the groove-like recess; the panel is formed by a pair of spaced apart panel forming members with an insulant therebetween.
Inventors
- 👤 Emanuel Michael Glaros
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:49
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0889; E04C; E04C2/00; E04C2/02; E04C2/26; E04C2/284; E04C2/296; E04D; E04D13/00; E04D13/15; E04D13/151; E04D3/00; E04D3/35; E04D3/351; E04D3/352; E04D3/355; E04D3/36; E04D3/366; E04D3/38; E04F13/0875; E04F13/0878; E04F13/0894; E04F13/0898; E04F13/12; E04F13/18; E04B; E04B2/00; E04B2/56; E04B2/58; E04C2002/001; E04C2002/004
Claims Analysis
Total Claims: 0
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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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |