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US3223387A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable street barrier

Assignee: Individual
•
Filing: 1964-01-27
•
Granted: 1965-12-14
•
Expires: 1984-01-27
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Abstract

No abstract record available.

Inventors

  • 👤 Pasquale C Magliocco

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:09
CPC Classifications
E; E01; E01F; E01F13/00; E01F13/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 154 words
IN A PORTABLE STREET BARRIER, A STANDARD HAVING A WEIGHTED BOTTOM PORTION AND A TUBULAR UPRIGHT COLUMN, AN EXTENSIBLE ARM ASSEMBLY COMPRISING A PLURALITY OF FOLDABLE ARM SECTIONS PIVOTED TOGETHER AT THEIR ADJACENT END PORTIONS, DETENT MEANS ADJACENT EACH PIVOTAL CONNECTION FOR HOLDING SAID ARM SECTIONS IN RELATIVE ADJUSTED POSITION ON THEIR PIVOTS, A TUBULAR MEMBER, MEANS PIVOTALLY CONNECTING SAID TUBULAR MEMBER WITH THE FREE END OF AN END ARM SECTION OF SAID ARM ASSEMBLY, SAID TUBULAR MEMBER BEING SLIDABLY POSITIONED WITHIN SAID UPRIGHT COLUMN FOR ADJUSTMENT FROM AN UPPER POSITION TO A RETRACTED POSITION, POST MEANS FIXED WITHIN SAID COLUMN AND SPACED FROM SAID COLUMN WALL, MEANS CONNECTING SAID POST MEANS AND SAID TUBULAR MEMBER FOR GUIDING SAID TUBULAR MEMBER IN ITS MOVEMENT TO AND FROM RETRACTED POSITION IN SAID COLUMN, AND SPRING FRICTION MEANS BETWEEN THE TUBULAR MEMBER AND THE POST MEANS FOR RETAINING SAID TUBULAR MEMBER IN A VERTICALLY ADJUSTED POSITION.
Claim 2
Dependent Claim 154 words
IN A PORTABLE STREET BARRIER, A STANDARD HAVING A WEIGHTED BOTTOM PORTION AND A TUBULAR UPRIGHT COLUMN, AN EXTENSIBLE ARM ASSEMBLY COMPRISING A PLURALITY OF FOLDABLE ARM SECTIONS PIVOTED TOGETHER AT THEIR ADJACENT END PORTIONS, DETENT MEANS ADJACENT EACH PIVOTAL CONNECTION FOR HOLDING SAID ARM SECTIONS IN RELATIVE ADJUSTED POSITION ON THEIR PIVOTS, A TUBULAR MEMBER, MEANS PIVOTALLY CONNECTING SAID TUBULAR MEMBER WITH THE FREE END OF AN END ARM SECTION OF SAID ARM ASSEMBLY, SAID TUBULAR MEMBER BEING SLIDABLY POSITIONED WITHIN SAID UPRIGHT COLUMN FOR ADJUSTMENT FROM AN UPPER POSITION TO A RETRACTED POSITION, POST MEANS FIXED WITHIN SAID COLUMN AND SPACED FROM SAID COLUMN WALL, MEANS CONNECTING SAID POST MEANS AND SAID TUBULAR MEMBER FOR GUIDING SAID TUBULAR MEMBER IN ITS MOVEMENT TO AND FROM RETRACTED POSITION IN SAID COLUMN, AND SPRING FRICTION MEANS BETWEEN THE TUBULAR MEMBER AND THE POST MEANS FOR RETAINING SAID TUBULAR MEMBER IN A VERTICALLY ADJUSTED POSITION.

References Cited (Backward Citations)

US496960A Cited
US1226172A Cited
US1416162A Cited
US1664886A Cited
US1843956A Cited
US2006906A Cited
US2109286A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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