US3133773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit panelboard
Assignee: 3M Co
•
Filing: 1955-10-12
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Granted: 1964-05-19
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Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Howard W Ecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:31
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/038; H05K7/00; H05K7/02; H05K7/06; H05K2201/00; H05K2201/02; H05K2201/0275; H05K2201/0281; H05K2201/029; H05K2201/10; H05K2201/10227; H05K2201/10287; H05K2201/10409; H05K2201/10613; H05K2201/10954; H05K2201/10977
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
FOR USE IN A UNITARY INTERNAL-CONDUCTOR ELECTRICAL CIRCUIT PANELBOARD HAVING A VAST NUMBER OF POTENTIAL CIRCUIT LAYOUTS, A REINFORCED CONDUCTOR-CARRYING LAMINA COMPRISING A THIN SOLID SHEET OF FLOWABLE HEAT-CURABLE RESINOUS MATERIAL, CONTIGUOUS ALIGNED STRANDS OF GLASS FILAMENTS EMBEDDED IN SAID SHEET AND A SERIES OF ELONGATE CONDUCTORS DISPOSED IN PARALLEL PREDETERMINED SPACED RELATION EMBEDDED IN SAID SHEET AMONGST SAID STRANDS AND EXTENDING PARALLEL WITH THE LATTER, SAID STRANDS BEING SUBSTANTIALLY EVENLY DISTRIBUTED BETWEEN THE CONDUCTORS.
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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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |