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US3288910A Expired / Lapsed US ⏱️ 0.0 years remaining

Weatherproof extension for outlet box

Assignee: Bell Electric Co
•
Filing: 1964-01-21
•
Granted: 1966-11-29
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Expires: 1984-01-21
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Abstract

No abstract record available.

Inventors

  • 👤 Paul J Zerwes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 03:22
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/44; H01R13/447; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/088; H02G3/14

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 213 words
IN AN ELECTRICAL OUTLET BOX INCLUDING A LOWER BODY PORTION, SAID BODY PORTION HAVING SPACED VERTICAL END AND SIDE WALLS; THE IMPROVEMENT COMPRISING AN EXTENSION RING ADAPTED TO BE MOUNTED ON SAID BODY PORTION AND HAVE ELECTRICAL APPARATUS SECURED THERETO INSTEAD OF SAID BODY PORTION, SAID RING HAVING SPACED END AND SIDE WALLS, THE WALLS OF SAID RING BEING THICKER THAN THE WALLS OF SAID BODY PORTION AND ADAPTED TO FIT FLUSH THEREWITH ALONG THE OUTER SURFACE OF SAID BODY PORTION, A GROOVE FORMED IN THE PERIPHERAL BOTTOM FACE OF SAID EXTENSION RING, SAID GROOVE BEING DEFINED BY A SHORT OUTER LIP AND A LONG INNER LIP, SAID INNER LIP BEING ADAPTED TO OVERLIE A SECTION OF THE INNER FACES OF SAID BODY PORTION WALLS WHEN THE RING IS SECURED TO SAID BODY PORTION, THE INNER EDGE OF THE TOP PERIPHERAL FACE OF SAID BODY PORTION BEING CURVED, RESILEINT GASKET MEANS FITTED WITHIN SAID GROOVE AND ADAPTED TO BE SEATED AGAINST THE TOP PERIPHERAL FACE OF SAID BODY PORTION, AND MEANS TO SECURE SAID EXTENSION RING TIGHTLY TO SAID BODY PORTION, WHEREBY SAID GASKET IS COMPRESSED AND EXTRUDED INTO A GENERALLY TRIANGULAR CROSS-SECTIONAL SPACE BETWEEN THE LONG INNER LIP AND THE CURVED INNER EDGE OF THE TOP PERIPHERAL FACE OF SAID BODY PORTION.

References Cited (Backward Citations)

NL40934C Cited
US537182A Cited
US759081A Cited
US830182A Cited
US2421805A Cited
US2378861A Cited
US2475836A Cited
GB885363A Cited
US3137763A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-28 1970-05-30 1970-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-28 1974-05-30 1974-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-28 1978-05-30 1978-11-29 $7700.00 Window Closed / Lapsed

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