US3353320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural member
Assignee: GRASIS TOWERS INC A DE CORP
•
Filing: 1965-11-10
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Granted: 1967-11-21
•
Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 August R Grasis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:01
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; E04H12/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A STRUCTURAL MEMBER FOR CONNECTING A PAIR OF STRUCTURAL ELEMENTS OR THE LIKE COMPRISING: AN ELONGATED, STRAIGHT CENTRAL PORTION HAVING A PAIR OF ANGULARLY DISPOSED SECTIONS WHEREBY TO PRESENT A NEUTRAL AXIS POSITIONED BETWEEN SAID SECTIONS THROUGHOUT THE LENGTH THEREOF, THE JUCNTURE OF SAID SECTIONS DEFINING AN APEX SURFACE; AND A PAIR OF END PORTIONS EXTENDING BEYOND RESPECTIVE ENDS OF SAID CENTRAL PORTION AND EACH RESOLVING THEREFROM INTO LONGITUDINALLY EXTENDING TRANSITION AND TERMINAL STRETCHES, EACH TRANSITION STRETCH INCLUDING AN INTEGRAL TRIANGULAR NECK INCLINED FROM SAID APEX SURFACE TO SAID NEUTRAL AXIS, THE BASE OF THE NECK BEING SUBSTANTIALLY PERPENDICULAR TO SAID AXIS, AND A PAIR OF OPPOSED FLANGES INTEGRAL WITH RESPECTIVE ADJACENT EDGES OF SAID SECTIONS AND SAID NECK, SAID TERMINAL STRETCH INCLUDING A RECTANGULAR WEB HAVING A TRANSVERSE EDGE THEREOF INTEGRAL WITH THE BASE OF SAID NECK, THERE BEING A SURFACE DEFINED ALONG THE LONGITUDINAL AXIS OF SAID WEB, SAID SURFACE BEING SUBSTANTIALLY COLLINEAR WITH SAID NEUTRAL AXIS, AND A PAIR OF OPPOSED LEGS INTEGRAL WITH RESPECTIVE ADJACENT EDGES OF SAID FLANGES
Claim 2
Dependent Claim
173 words
A STRUCTURAL MEMBER FOR CONNECTING A PAIR OF STRUCTURAL ELEMENTS OR THE LIKE COMPRISING: AN ELONGATED, STRAIGHT CENTRAL PORTION HAVING A PAIR OF ANGULARLY DISPOSED SECTIONS WHEREBY TO PRESENT A NEUTRAL AXIS POSITIONED BETWEEN SAID SECTIONS THROUGHOUT THE LENGTH THEREOF, THE JUCNTURE OF SAID SECTIONS DEFINING AN APEX SURFACE; AND A PAIR OF END PORTIONS EXTENDING BEYOND RESPECTIVE ENDS OF SAID CENTRAL PORTION AND EACH RESOLVING THEREFROM INTO LONGITUDINALLY EXTENDING TRANSITION AND TERMINAL STRETCHES, EACH TRANSITION STRETCH INCLUDING AN INTEGRAL TRIANGULAR NECK INCLINED FROM SAID APEX SURFACE TO SAID NEUTRAL AXIS, THE BASE OF THE NECK BEING SUBSTANTIALLY PERPENDICULAR TO SAID AXIS, AND A PAIR OF OPPOSED FLANGES INTEGRAL WITH RESPECTIVE ADJACENT EDGES OF SAID SECTIONS AND SAID NECK, SAID TERMINAL STRETCH INCLUDING A RECTANGULAR WEB HAVING A TRANSVERSE EDGE THEREOF INTEGRAL WITH THE BASE OF SAID NECK, THERE BEING A SURFACE DEFINED ALONG THE LONGITUDINAL AXIS OF SAID WEB, SAID SURFACE BEING SUBSTANTIALLY COLLINEAR WITH SAID NEUTRAL AXIS, AND A PAIR OF OPPOSED LEGS INTEGRAL WITH RESPECTIVE ADJACENT EDGES OF SAID FLANGES
References Cited (Backward Citations)
US2423682A
Cited
US2624080A
Cited
US2865059A
Cited
US3112224A
Cited
US3112015A
Cited
US3288977A
Cited
US3314209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |