US3338599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transposition section for lay-in duct
Assignee: Schneider Electric USA Inc
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Filing: 1965-06-30
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Granted: 1967-08-29
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Norman R Hallman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:11
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0608
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
298 words
A DUCT FUN OF LAY-IN DUCT FOR ELECTRIC CURRENT CARRYING WIRES, SAID DUCT RUN EXTENDING HORIZONTALLY AND INCLUDING A FIRST DUCT SECTION HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT THE TOP OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID FIRST DUCT SECTION, A SECOND DUCT SECTION HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT A SIDE OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID SECOND DUCT SECTION, A TRANSPOSITION DUCT SECTION DISPOSED BETWEEN SAID FIRST AND SECOND DUCT SECTIONS, A FIRST CONNECTOR CONNECTING AN END PORTION OF SAID FIRST DUCT SECTION TO ONE END PORTION OF SAID TRANSPOSITION DUCT SECTION, SAID FIRST CONNECTR HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT THE TOP OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID FIRST CONNECTOR, AND A SECOND CONNECTOR CONNECTING AN END PORTION OF SAID SECOND DUCT SECTION TO THE OTHER END PORTION OF SAID TRANSPOSITION DUCT SECTION, SAID SECOND CONNECTOR HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT SAID SIDE OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID SECOND CONNECTOR, SAID TRANSPOSITION DUCT SECTION HAVING A TWO-PART CHANNELSHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT THE TOP OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID TRANSPOSITION DUCT SECTION, AND SAID TWO-PART CHANNEL-SHAPED BODY INCLUDING A GENERALLY L-SHAPED BODY PORTION AND A SIDE WALL REMOVABLY SECURED TO SAID L-SHAPED BODY PORTION TO COMPLETE THE CHANNEL SHAPE OF THE TWO-PART CHANNELSHAPED BODY OF SAID TRANSPOSITION DUCT SECTION.
Claim 2
Dependent Claim
298 words
A DUCT FUN OF LAY-IN DUCT FOR ELECTRIC CURRENT CARRYING WIRES, SAID DUCT RUN EXTENDING HORIZONTALLY AND INCLUDING A FIRST DUCT SECTION HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT THE TOP OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID FIRST DUCT SECTION, A SECOND DUCT SECTION HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT A SIDE OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID SECOND DUCT SECTION, A TRANSPOSITION DUCT SECTION DISPOSED BETWEEN SAID FIRST AND SECOND DUCT SECTIONS, A FIRST CONNECTOR CONNECTING AN END PORTION OF SAID FIRST DUCT SECTION TO ONE END PORTION OF SAID TRANSPOSITION DUCT SECTION, SAID FIRST CONNECTR HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT THE TOP OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID FIRST CONNECTOR, AND A SECOND CONNECTOR CONNECTING AN END PORTION OF SAID SECOND DUCT SECTION TO THE OTHER END PORTION OF SAID TRANSPOSITION DUCT SECTION, SAID SECOND CONNECTOR HAVING A CHANNEL-SHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT SAID SIDE OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID SECOND CONNECTOR, SAID TRANSPOSITION DUCT SECTION HAVING A TWO-PART CHANNELSHAPED BODY DISPOSED WITH THE OPEN SIDE THEREOF AT THE TOP OF THE DUCT RUN AND AN OPENABLE COVER NORMALLY CLOSING THE OPEN SIDE OF SAID BODY OF SAID TRANSPOSITION DUCT SECTION, AND SAID TWO-PART CHANNEL-SHAPED BODY INCLUDING A GENERALLY L-SHAPED BODY PORTION AND A SIDE WALL REMOVABLY SECURED TO SAID L-SHAPED BODY PORTION TO COMPLETE THE CHANNEL SHAPE OF THE TWO-PART CHANNELSHAPED BODY OF SAID TRANSPOSITION DUCT SECTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |