← Back to Patent Explorer
US3295833A Expired / Lapsed US ⏱️ 0.0 years remaining

Protective enclosure

Assignee: HOLMES ELECTRIC PROTECTIVE CO
•
Filing: 1965-01-18
•
Granted: 1967-01-03
•
Expires: 1985-01-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Charles J Everett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:18
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/14; E04H17/20; E04H17/009

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 134 words
AN ELECTRIC PROTECTIVE ENCLOSURE COMPRISING A PLURALITY OF VERTICAL POSTS AND A PLURALITY OF LATERAL RAILS CONNECTED TO SAID POSTS, (A) EACH OF SAID POSTS COMPRISING (1) TWO UPRIGHT ELONGATE MEMBERS EXTENDING ONE WITHIN THE OTHER IN TELESCOPING RELATION (A) THE OUTER OF SAID MEMBERS BEING POSITIONED UPPERMOST (2) RESILIENT MEANS INTERPOSED BETWEEN SAID TWO MEMBERS FOR URGING THE OUTER MEMBER UPWARDLY FROM THE INNER MEMBER, (3) MEANS ON BOTH SAID MEMBERS FOR ENGAGING EACH OTHER AND PREVENTING UPWARD MOVEMENT OF THE OUTER MEMBER BEYOND A PRESELECTED POINT, (4) HOUSING MEANS EXTENDING ALONG AT LEAST ONE SIDE OF THE OUTER MEMBER FOR PROVIDING A COVERED PASSAGEWAY FROM THE LOWER TO THE UPPER PORTIONS OF SAID OUTER MEMBER, (B) A PLURALITY OF LATERALLY ORIENTED RAILS CONNECTED TO SAID HOUSING MEANS AND EXTENDING PART-WAY INTO SAID

References Cited (Backward Citations)

US1311233A Cited
DE550105C Cited
US656314A Cited
US1070165A Cited
US1147409A Cited
US1785487A Cited
US2072914A Cited
US2987299A Cited
US3243797A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-02 1970-07-04 1971-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-02 1974-07-04 1975-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-02 1978-07-04 1979-01-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag