US3288910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weatherproof extension for outlet box
Assignee: Bell Electric Co
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Filing: 1964-01-21
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Granted: 1966-11-29
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Expires: 1984-01-21
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.
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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 |