US3331916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lay-in wireway
Assignee: KEYSTONE Manufacturing Co
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Filing: 1965-12-30
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Granted: 1967-07-18
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Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Melvin J George
- 👤 Richard L Foldy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0608; H02G3/04; H02G3/0406; H02G3/0418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A LAY-IN WIREWAY COMPRISING AT LEAST TWO CHANNEL MEMBERS EACH HAVING A RADIAL FLANGE AT ONE END ADAPTED TO BE POSITIONED IN CONFRONTING RELATION AND HAVING ONE SIDE THEREOF SUBSTANTIALLY COMPLETELY OPEN, INWARDLY TURNED FLANGES ALONG THE LONGITUDINAL EDGES OF SAID OPEN SIDE OF EACH SAID CHANNEL MEMBER, SEALING MEANS FOR SAID CONFRONTING RADIAL FLANGES INCLUDING RESILIENT MEANS SUBSTANTIALLY COEXTENSIVE WITH SAID RADIAL FLANGES AND POSITIONED THEREBETWEEN, FASTENING MEANS ENGAGING SAID RADIAL FLANGES MOVING THEM TOGETHER AND SQUEEZING SAID RESILIENT MEANS CAUSING IT TO PROTRUDE RADIALLY BEYOND SAID RADIAL FLANGES, REMOVABLE CROSS PLATE MEANS HAVING A RESILIENT PORTION BENEATH SAID INWARDLY TURNED FLANGES ON EITHER SIDE OF SAID CONFRONTING RADIAL FLANGES AND SPANNING SAID OPEN SIDES AND BIASED AGAINST SAID INWARDLY TURNED FLANGES TO CAUSE A PORTION THEREOF TO EXTEND OUTWARDLY BEYOND SAID INWARDLY TURNED FLANGES AND ENGAGEING SAID RESILIENT MEANS, A COVER MEMBER FOR EACH SAID CHANNEL MEMBER EXTENDING THE FULL LENGTH THEREOF AND SLIGTHLY BEYOND SAID RADIAL FLANGES, SAID COVER MEMBERS HAVING RESILIENT MEMBERS ENGAGING SAID INWARDLY TURNED FLANGES, SAID RESILIENT MEANS AND SAID RESILIENT PORTION.
Claim 2
Dependent Claim
178 words
A LAY-IN WIREWAY COMPRISING AT LEAST TWO CHANNEL MEMBERS EACH HAVING A RADIAL FLANGE AT ONE END ADAPTED TO BE POSITIONED IN CONFRONTING RELATION AND HAVING ONE SIDE THEREOF SUBSTANTIALLY COMPLETELY OPEN, INWARDLY TURNED FLANGES ALONG THE LONGITUDINAL EDGES OF SAID OPEN SIDE OF EACH SAID CHANNEL MEMBER, SEALING MEANS FOR SAID CONFRONTING RADIAL FLANGES INCLUDING RESILIENT MEANS SUBSTANTIALLY COEXTENSIVE WITH SAID RADIAL FLANGES AND POSITIONED THEREBETWEEN, FASTENING MEANS ENGAGING SAID RADIAL FLANGES MOVING THEM TOGETHER AND SQUEEZING SAID RESILIENT MEANS CAUSING IT TO PROTRUDE RADIALLY BEYOND SAID RADIAL FLANGES, REMOVABLE CROSS PLATE MEANS HAVING A RESILIENT PORTION BENEATH SAID INWARDLY TURNED FLANGES ON EITHER SIDE OF SAID CONFRONTING RADIAL FLANGES AND SPANNING SAID OPEN SIDES AND BIASED AGAINST SAID INWARDLY TURNED FLANGES TO CAUSE A PORTION THEREOF TO EXTEND OUTWARDLY BEYOND SAID INWARDLY TURNED FLANGES AND ENGAGEING SAID RESILIENT MEANS, A COVER MEMBER FOR EACH SAID CHANNEL MEMBER EXTENDING THE FULL LENGTH THEREOF AND SLIGTHLY BEYOND SAID RADIAL FLANGES, SAID COVER MEMBERS HAVING RESILIENT MEMBERS ENGAGING SAID INWARDLY TURNED FLANGES, SAID RESILIENT MEANS AND SAID RESILIENT PORTION.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |