Patent US3307894A successfully refreshed from Google Patents.
US3307894A
Expired / Lapsed
US
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Structural members for modular units
Assignee: C AND N ELECTRICAL Ltd
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Filing: 1965-05-04
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Granted: 1967-03-07
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Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Collier David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:03
CPC Classifications
H; H05; H05K; H05K5/00; H05K5/04; A; A47; A47B; A47B47/00; A47B47/02; A47B47/03; H05K7/00; H05K7/18; H05K7/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A STRUCTURE COMPRISING: (A) A PLURALITY OF SPACED APART PARALLEL MAIN UPRIGHT STRUCTURAL MEMBERS; (B) EACH OF SAID UPRIGHT STRUCTURAL MEMBERS, IN CROSS SECTION, DEFINING TWO MAIN FLANGES AT RIGHT ANGLES TO ONE ANOTHER AND DIRECTED OUTWARDLY FROM THE STRUCTURE; AND, (C) A W SECTION MEMBER THE INNER LIMBS OF WHICH ARE AT RIGHT ANGLES TO ONE ANOTHER AND ABUT AND ARE SECURED TO THE OUTER FACES OF SAID TWO MAIN FLANGES.
Claim 2
Dependent Claim
72 words
A STRUCTURE COMPRISING: (A) A PLURALITY OF SPACED APART PARALLEL MAIN UPRIGHT STRUCTURAL MEMBERS; (B) EACH OF SAID UPRIGHT STRUCTURAL MEMBERS, IN CROSS SECTION, DEFINING TWO MAIN FLANGES AT RIGHT ANGLES TO ONE ANOTHER AND DIRECTED OUTWARDLY FROM THE STRUCTURE; AND, (C) A W SECTION MEMBER THE INNER LIMBS OF WHICH ARE AT RIGHT ANGLES TO ONE ANOTHER AND ABUT AND ARE SECURED TO THE OUTER FACES OF SAID TWO MAIN FLANGES.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |