US3277233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit with partially exposed ground wire extending from end to end
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1964-01-02
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Granted: 1966-10-04
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Gillette N Houck
- 👤 Richard J Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:13
CPC Classifications
F; F16; F16L; F16L25/00; F16L25/01; F16L9/00; F16L9/12; F16L9/125; H; H02; H02G; H02G3/00; H02G3/02; H02G3/04; H02G3/0462; H02G3/0481; H02G3/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A PLASTIC INSULATING CONDUIT FOR ENCLOSING A PLURALITY OF ELECTRICAL WIRES; AND A PARTIALLY EXPOSED ELECTRICALLY CONDUCTING GROUND CONDUCTOR INTEGRALLY EMBEDDED IN THE CONDUIT WALL AND EXTENDING BETWEEN THE ENDS OF THE CONDUIT, SAID CONDUCTOR HAVING OPENINGS THERETHROUGH FOR PASSAGE OF THE PLASTIC MATERIAL OF THE CONDUIT SO AS TO PRESERVE THEREAT THE CIRCUMFERENTIAL CONTINUITY OF THE CONDUIT WALL.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |