US3248611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switchgear
Assignee: Merz and Mclellan Services Ltd
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Filing: 1962-10-30
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Granted: 1966-04-26
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Expires: 1982-10-30
Abstract
No abstract record available.
Inventors
- 👤 Wilcox Thomas Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:06
CPC Classifications
H; H02; H02B; H02B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A POLYPHASE ELECTRIC SWITCHAGEAR ASSEMBLY IN WHICH EACH PHASE IS ACCOMMODATED IN TWO SPACES, TERMED LAYERS, ON OPPOSITE SIDES OF A LONGITUDINAL PLANE AND INCLUDES TWO BUS CONDUCTORS, ONE IN EACH LAYER, ON OPPOSITE SIDES OF A TRANSVERE PLANE PERPENDICULAR TO THE LONGITUDINAL PLANE, AND TWO SETS OF SWITCHGEAR, ALSO AN OPPOSITE SIDES OF THE TRANSVERSE PLANE, EACH INCLUDING A BUSBAR CONNECTING TERMINAL ON THE OPPOSITE SIDE OF THE TRANSVERSE PLANE FROM THE BUS CONDUCTOR IN THE SAME LAYER, MEANS EXTENDING THROUGH THE TRANSVERSE PLANE FOR CONNECTING EACH BUSBAR CONNECTING TERMINAL TO THE BUS CONDUCTOR IN THE SAME LAYER, AND MEANS EXTENDING THROUGH THE LONGITUDINAL PLANE FOR CONNECTING EACH BUSBAR CONNECTING TERMINAL TO THE BUS CONDUCTOR IN THE OTHER LAYER, WHEREIN THE BUSBAR CONNECTING TERMINALS LIE A TWO OPPOSITE CORNERS OF A PARALLELOGRAM AND THE BUS CONDUCTORS LIE AT THE OTHER TWO OPPOSITE
Claim 2
Dependent Claim
143 words
A POLYPHASE ELECTRIC SWITCHAGEAR ASSEMBLY IN WHICH EACH PHASE IS ACCOMMODATED IN TWO SPACES, TERMED LAYERS, ON OPPOSITE SIDES OF A LONGITUDINAL PLANE AND INCLUDES TWO BUS CONDUCTORS, ONE IN EACH LAYER, ON OPPOSITE SIDES OF A TRANSVERE PLANE PERPENDICULAR TO THE LONGITUDINAL PLANE, AND TWO SETS OF SWITCHGEAR, ALSO AN OPPOSITE SIDES OF THE TRANSVERSE PLANE, EACH INCLUDING A BUSBAR CONNECTING TERMINAL ON THE OPPOSITE SIDE OF THE TRANSVERSE PLANE FROM THE BUS CONDUCTOR IN THE SAME LAYER, MEANS EXTENDING THROUGH THE TRANSVERSE PLANE FOR CONNECTING EACH BUSBAR CONNECTING TERMINAL TO THE BUS CONDUCTOR IN THE SAME LAYER, AND MEANS EXTENDING THROUGH THE LONGITUDINAL PLANE FOR CONNECTING EACH BUSBAR CONNECTING TERMINAL TO THE BUS CONDUCTOR IN THE OTHER LAYER, WHEREIN THE BUSBAR CONNECTING TERMINALS LIE A TWO OPPOSITE CORNERS OF A PARALLELOGRAM AND THE BUS CONDUCTORS LIE AT THE OTHER TWO OPPOSITE
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |