Patent US3606718A successfully refreshed from Google Patents.
US3606718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building panel and side joints therefor
Assignee: Hospitality Homes
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Filing: 1969-08-21
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Granted: 1971-09-21
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Expires: 1989-08-21
Abstract
Abstract A BUILDING PANEL HAVING A CENTRAL PAN OF DESIRED PROFILE AND IMPROVED MARGINAL CONNECTING MEANS ALONG OPPOSITE PAN EDGES, PROVIDING AN IMPROVED SIDE JOINT BETWEEN ADJACENT ONES OF THE BUILDING PANELS. BOTH MARGINAL CONNECTING MEANS COMPRISE UPSTANDING U-SHAPED CHANNELS. ONE CHANNEL IS ADAPTED TO FIT WITHIN THE OTHER CHANNEL TO PROVIDE A GASKET-FREE, ESSENTIALLY WEATHER-TIGHT JOINT HAVING AN INTERLOCK TO PREVENT DISENGAGEMENT.
Inventors
- 👤 Bernard E Curran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04C; E04C2/00; E04C2/30; E04C2/32; E04C2/322; E04D3/361; E04D3/363
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |