US3352082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural unit for buildings
Assignee: RAFTERS Inc
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Filing: 1965-12-10
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Granted: 1967-11-14
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Expires: 1985-12-10
Abstract
No abstract record available.
Inventors
- 👤 Harold W Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:36
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/02; E04C3/29; E04C3/293; E04C3/292; E04C3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A STRUCTURAL UNIT COMPRISING: (A) A PAIR OF ELONGATED GENERALLY PARALLEL WOODEN STRINGERS DISPOSED IN PREDETERMINED SPACED APART RELATIONSHIP AND HAVING LATERALLY SPACED FLAT SIDES AND OPPOSED LONGITUDINALLY EXTENDING CHANNELS GENERALLY CENTRALLY BETWEEN SAID SIDES. (B) A TRUSS STRUCTURE INCLUDING A PAIR OF LONGITUDINAL METALLIC ROD MEMBERS AND CROSS BRACE MEANS INCLUDING AN ELONGATED BRACE ROD BENT INTO ZIG-ZAG FORMATION TO PROVIDE A PLURALITY OF ANGULARLY DISPLACED BRACE PORTIONS HAVING OPPOSITE ENDS WELDED TO LONGITUDINALLY SPACED PORTIONS OF ADJACENT ONES OF SAID LONGITUDINAL ROD MEMBERS,
Claim 2
Dependent Claim
85 words
A STRUCTURAL UNIT COMPRISING: (A) A PAIR OF ELONGATED GENERALLY PARALLEL WOODEN STRINGERS DISPOSED IN PREDETERMINED SPACED APART RELATIONSHIP AND HAVING LATERALLY SPACED FLAT SIDES AND OPPOSED LONGITUDINALLY EXTENDING CHANNELS GENERALLY CENTRALLY BETWEEN SAID SIDES. (B) A TRUSS STRUCTURE INCLUDING A PAIR OF LONGITUDINAL METALLIC ROD MEMBERS AND CROSS BRACE MEANS INCLUDING AN ELONGATED BRACE ROD BENT INTO ZIG-ZAG FORMATION TO PROVIDE A PLURALITY OF ANGULARLY DISPLACED BRACE PORTIONS HAVING OPPOSITE ENDS WELDED TO LONGITUDINALLY SPACED PORTIONS OF ADJACENT ONES OF SAID LONGITUDINAL ROD MEMBERS,
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |