Patent US3563882A successfully refreshed from Google Patents.
US3563882A
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US
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System and method for laying electric cables between a number of electric equipments
Assignee: Hitachi Ltd
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Filing: 1968-03-18
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Granted: 1971-02-16
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Expires: 1988-03-18
Abstract
Abstract A SYSTEM FOR LAYING ELECTRIC CABLES BETWEEN A NUMBER OF PIECES OF ELECTRIC EQUIPMENT CONSTITUTING A LARGE ELECTRICAL INSTALLATION, WHICH UTILIZES A NUMBER OF CABLE RACKS HAVING A UNIT AREA SECURED TO BEAMS WHICH ARE PROVIDED OVER SAID PIECES OF ELECTRIC EQUIPMENT TO SUPPORT SAID EQUIPMENT, ADVANTAGES OF SAID SYSTEM BEING THAT SAID CABLE RACKS CAN BE PRE-FABRICATED IN WORKSHOPS AND THAT SAID CABLES CAN BE LAID BY APPROXIMATELY STRAIGHT ROUTE, HEREBY BRINGING ABOUT CONSIDERABLE SAVINGS IN TIME, LABOR AND MATERIAL; AND A METHOD FOR LAYING CABLES USING SUCH A SYSTEM.
Inventors
- 👤 Ryoichi Kimura
- 👤 Kiyomi Omatsuzawa
- 👤 Yasuyuki Tanaka
- 👤 Hiroshi Yoshikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:22
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/04; H02G3/0456; H04; H04Q; H04Q1/00; H04Q1/02; H04Q1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |