Patent JPS6163930A successfully refreshed from Google Patents.
US3267624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite panel with concrete backer and hanging members
Assignee: Fenestra Inc
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Filing: 1963-05-31
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Granted: 1966-08-23
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Albert J Wozniak
- 👤 Ralph H Stoos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B5/00; E04B5/16; E04B5/32; E04B5/36; E04B5/38; E04B5/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A BUILDING STRUCTURE COMPRISING A PLURALITY OF PANELS INCLUDING AN ELONGATED, RECTANGULAR, SUBSTANTIALLY FLAT BOTTOM PLATE MEMBER HAVING MEANS AT THE SIDES THEREOF FOR SECURING ADJACENT PANELS TOGETHER, AT LEAST TWO LONGITUDINALLY EXTENDING, TRANSVERSELY SAPCED APART DOWNWARDLY OPENING HAT-SHAPED MEMBERS SECURED TO THE UPPER SURFACE OF THE BOTTOM PLATE MEMBER, AT LEAST ONE TRANSVERSELY EXTENDING SLOT IN SAID BOTTOM PLATE BETWEEN THE HAT-SHAPED MEMBERS BEING FORMED FROM A KNOCK-OUT PORTION OF THE BOTTOM PLATE AND HAVING A TRANSVERSE DIMENSION LESS THAN THE LONGITUDINAL DIMENSION THEREOF, AND A T-BAR HANGER COMPRISING AN ELONGATED, SUBSTANTIALLY FLAT BAR HAVING A STEM PORTION EXTENDING THROUGH SAID SLOT WITH THE UPPER END THEREOF BIFURCATED AND BENT TO PROVIDE PORTIONS EXTENDING IN EACH DIRECTION TRANSVERSELY OF THE SLOT AND AN OPENING THROUGH THE LOWER PORTION OF THE T-BAR HANGER FOR USE IN HANGING MEMBERS THEREFROM.
Claim 2
Dependent Claim
139 words
A BUILDING STRUCTURE COMPRISING A PLURALITY OF PANELS INCLUDING AN ELONGATED, RECTANGULAR, SUBSTANTIALLY FLAT BOTTOM PLATE MEMBER HAVING MEANS AT THE SIDES THEREOF FOR SECURING ADJACENT PANELS TOGETHER, AT LEAST TWO LONGITUDINALLY EXTENDING, TRANSVERSELY SAPCED APART DOWNWARDLY OPENING HAT-SHAPED MEMBERS SECURED TO THE UPPER SURFACE OF THE BOTTOM PLATE MEMBER, AT LEAST ONE TRANSVERSELY EXTENDING SLOT IN SAID BOTTOM PLATE BETWEEN THE HAT-SHAPED MEMBERS BEING FORMED FROM A KNOCK-OUT PORTION OF THE BOTTOM PLATE AND HAVING A TRANSVERSE DIMENSION LESS THAN THE LONGITUDINAL DIMENSION THEREOF, AND A T-BAR HANGER COMPRISING AN ELONGATED, SUBSTANTIALLY FLAT BAR HAVING A STEM PORTION EXTENDING THROUGH SAID SLOT WITH THE UPPER END THEREOF BIFURCATED AND BENT TO PROVIDE PORTIONS EXTENDING IN EACH DIRECTION TRANSVERSELY OF THE SLOT AND AN OPENING THROUGH THE LOWER PORTION OF THE T-BAR HANGER FOR USE IN HANGING MEMBERS THEREFROM.
References Cited (Backward Citations)
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Cited
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US1947418A
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US2236082A
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US2280080A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |