US3354261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric bus element with coolant passages
Assignee: HK Porter Co Inc
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Filing: 1966-03-16
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Granted: 1967-11-21
•
Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Nicholas G Polgov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:24
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
IN A BUS STRUCTURE OF THE TYPE WHICH IS COOLED TO INCREASE THE CURRENT-CARRYING CAPACITY THEREOF, THE IMPROVEMENT COMPRISING, IN COMBINATION, A BUS CONDUCTOR ELEMENT AND INCLUDING A PAIR OF WALLS WHICH INTERSECT TO DEFINE A CORNER WHERE CURRENT FLOW IS RELATIVELY CONCENTRATED, SAID CORNER BEING OF INCREASED THICKNESS RELATIVE TO THE
Claim 2
Dependent Claim
52 words
IN A BUS STRUCTURE OF THE TYPE WHICH IS COOLED TO INCREASE THE CURRENT-CARRYING CAPACITY THEREOF, THE IMPROVEMENT COMPRISING, IN COMBINATION, A BUS CONDUCTOR ELEMENT AND INCLUDING A PAIR OF WALLS WHICH INTERSECT TO DEFINE A CORNER WHERE CURRENT FLOW IS RELATIVELY CONCENTRATED, SAID CORNER BEING OF INCREASED THICKNESS RELATIVE TO THE
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |