Patent US3298153A successfully refreshed from Google Patents.
US3298153A
Expired / Lapsed
US
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Sectional floor frame construction
Assignee: Individual
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Filing: 1964-02-25
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Granted: 1967-01-17
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Expires: 1984-02-25
Abstract
No abstract record available.
Inventors
- 👤 Robert C Rolland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:49
CPC Classifications
E; E04; E04B; E04B5/00; E04B5/02; E04B5/14; E04F; E04F15/00; E04F15/02; E04F15/024; E04F15/02447; E04F15/02458
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A SECTIONAL MEMBER FOR USE IN FLOOR STRUCTURE COMPRISING TWO OPPOSITELY CANTED WEBS DIVERGING IN A DOWNWARD DIRECTION, UPPER FLANGE PORTIONS EXTENDING TOWARDS EACH OTHER FROM THE TOPS OF SAID WEBS AND INTEGRALLY INTERCONNECTED AT THE MARGINAL EDGES, LOWER FLANGES PORTIONS EXTENDING AWAY FROM EACH OTHER FROM THE BOTTOM OF SAID WEBS, SAID UPPER AND LOWER FLANGE PORTIONS INCLUDING INTEGRAL EXTENSIONS RESPECTIVELY IN THE FORM OF AN UPRIGHT AND AN INVERTED L, AND MEANS INTERMEDIATE THE VERTICAL EXTENT OF EACH SAID WEB FOR LONGITUDINALLY SUPPORTING A RELATED EDGE OF A FILLING PANEL.
Claim 2
Dependent Claim
92 words
A SECTIONAL MEMBER FOR USE IN FLOOR STRUCTURE COMPRISING TWO OPPOSITELY CANTED WEBS DIVERGING IN A DOWNWARD DIRECTION, UPPER FLANGE PORTIONS EXTENDING TOWARDS EACH OTHER FROM THE TOPS OF SAID WEBS AND INTEGRALLY INTERCONNECTED AT THE MARGINAL EDGES, LOWER FLANGES PORTIONS EXTENDING AWAY FROM EACH OTHER FROM THE BOTTOM OF SAID WEBS, SAID UPPER AND LOWER FLANGE PORTIONS INCLUDING INTEGRAL EXTENSIONS RESPECTIVELY IN THE FORM OF AN UPRIGHT AND AN INVERTED L, AND MEANS INTERMEDIATE THE VERTICAL EXTENT OF EACH SAID WEB FOR LONGITUDINALLY SUPPORTING A RELATED EDGE OF A FILLING PANEL.
References Cited (Backward Citations)
US661336A
Cited
US1818014A
Cited
US2776735A
Cited
US3203150A
Cited
US3219810A
Cited
US3185833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |