US3276182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tapered structural member
Assignee: McGraw Edison Co
•
Filing: 1963-08-26
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Granted: 1966-10-04
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Harold E Handley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:25
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A HOLLOW, ELONGATED, ALUMINUM STRUCTURAL MEMBER COMPRISING, IN COMBINATION, A PLURALITY OF ELONGATED ELEMENTS HAVING A PAIR OF LONGITUDINAL EDGES, AN ELONGATED GROOVE DEFINED IN ONE OF THE LONGITUDINAL EDGES OF SAID ELEMENTS, THE OTHER ELEMENT LONGITUDINAL EDGES OF SAID A TONGUE BEING RECEIVED WITHIN THE GROOVE OF THE ADJACENT ELEMENT, AND A HIGH SHEAR STRESS RESISTANCE EPOXY RESIN ADHESIVE WITHIN SAID GROOVES MAINTAINING ASSEMBLY OF SAID TONGUE-AND-GROOVE ELEMENT LONGITUDINAL EDGE CONNECTIONS.
Claim 2
Dependent Claim
72 words
A HOLLOW, ELONGATED, ALUMINUM STRUCTURAL MEMBER COMPRISING, IN COMBINATION, A PLURALITY OF ELONGATED ELEMENTS HAVING A PAIR OF LONGITUDINAL EDGES, AN ELONGATED GROOVE DEFINED IN ONE OF THE LONGITUDINAL EDGES OF SAID ELEMENTS, THE OTHER ELEMENT LONGITUDINAL EDGES OF SAID A TONGUE BEING RECEIVED WITHIN THE GROOVE OF THE ADJACENT ELEMENT, AND A HIGH SHEAR STRESS RESISTANCE EPOXY RESIN ADHESIVE WITHIN SAID GROOVES MAINTAINING ASSEMBLY OF SAID TONGUE-AND-GROOVE ELEMENT LONGITUDINAL EDGE CONNECTIONS.
References Cited (Backward Citations)
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Cited
US549053A
Cited
GB190418743A
Cited
US2718117A
Cited
US2825431A
Cited
US3104454A
Cited
US3128536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |