US3222030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor structure elevating device
Assignee: Unistrut Corp
•
Filing: 1964-06-22
•
Granted: 1965-12-07
•
Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 William J Thorpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:04
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/024; E04F15/02447; E04F15/02452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN COMBINATION (A) A PAIR OF CHANNEL SHAPED FRAMING MEMBERS EACH HAVING A PAIR OF LONGITUDINALLY EXTENDING COPLANAR INTURNED FLANGES, THE FREE EDGES OF SAID INTURNED FLANGES BEING TURNED INWARDLY AT SUBSTANTIALLY RIGHT ANGLES TO SAID INTURNED FLANGES TO DEFINE A LONGITUDINAL RECESS THEREBETWEEN, (B) A PLATE HAVING A PLANAR SURFACE FOR SUPPORTING SAID FRAMING MEMBERS IN ABUTTING AND SUBSTANTIALLY COPLANAR POSITION, (C) SAID PLATE HAVING A PLURALITY OF LUGS FORMED OF PORTIONS STRUCK UPWARDLY FROM SAID PLATE AND EXTENDING UPWARDLY FROM SAID SURFACE AND INTO SAID RECESS, EACH OF SAID LUGS BEING PROVIDED WITH UPPER LATERAL OUTWARDLY EXTENDING PORTIONS DIMENSIONED TO EMBRACIVELY ENGAGE SAID FREE EDGES OF SAID INTURNED FLANGES AND TO URGE SAID INTURNED FLANGES AGAINST SAID SURFACE OF SAID PLATE, (D) A POSITIONING BASE PLATE, AND (E) A THREADED BOLT AND NUT CONNECTION INTERPOSED BETWEEN SAID PLATES TO AFFECT THEIR VERTICAL RELATIONSHIP.
Claim 2
Dependent Claim
145 words
IN COMBINATION (A) A PAIR OF CHANNEL SHAPED FRAMING MEMBERS EACH HAVING A PAIR OF LONGITUDINALLY EXTENDING COPLANAR INTURNED FLANGES, THE FREE EDGES OF SAID INTURNED FLANGES BEING TURNED INWARDLY AT SUBSTANTIALLY RIGHT ANGLES TO SAID INTURNED FLANGES TO DEFINE A LONGITUDINAL RECESS THEREBETWEEN, (B) A PLATE HAVING A PLANAR SURFACE FOR SUPPORTING SAID FRAMING MEMBERS IN ABUTTING AND SUBSTANTIALLY COPLANAR POSITION, (C) SAID PLATE HAVING A PLURALITY OF LUGS FORMED OF PORTIONS STRUCK UPWARDLY FROM SAID PLATE AND EXTENDING UPWARDLY FROM SAID SURFACE AND INTO SAID RECESS, EACH OF SAID LUGS BEING PROVIDED WITH UPPER LATERAL OUTWARDLY EXTENDING PORTIONS DIMENSIONED TO EMBRACIVELY ENGAGE SAID FREE EDGES OF SAID INTURNED FLANGES AND TO URGE SAID INTURNED FLANGES AGAINST SAID SURFACE OF SAID PLATE, (D) A POSITIONING BASE PLATE, AND (E) A THREADED BOLT AND NUT CONNECTION INTERPOSED BETWEEN SAID PLATES TO AFFECT THEIR VERTICAL RELATIONSHIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |