Patent US3238314A successfully refreshed from Google Patents.
US3238314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power pick-ups from overhead lines
Assignee: Individual
•
Filing: 1960-10-17
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Granted: 1966-03-01
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Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 Faiveley Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:27
CPC Classifications
B; B60; B60L; B60L5/00; B60L5/18; B60L5/22; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PANTOGRAPH ARRANGEMENT INCLUDING A PANTOGRAH OF THE TYPE DESCRIBED COMPRISING A LIFTING DEVICE INCLUDING A RESILIENT SUPPORT MEANS FOR A POWER PICK-UP, SAID POWER PICK-UP BEING GUIDED BY A LIFTING DEVICE FOR THE DISPLACEMENT THERETO IN A VERTICAL PLANE PERPENDICULAR TO A TRACK, SAID RESILIENT SUPPORT MEANS BEING DISPOSED AT THE IMMEDIATE VICINITY OF THE TOP OF SAID LIFTING DEVICE, WHEREBY THE PRESSURE EXERTED ON SAID RESILIENT SUPPORT MEANS IS PRACTICALLY REDUCED TO THE WEIGHT OF SAID POWER PICK-UP, AND INCLUDING MEASUREMENT EQUIPMENT TO MEASURE THE TENSILE STRESS ON SAID RESILIENT SUPPORT MEANS AND TO TRANSFORM THE RESUULT OF THE MEASUREMENT THEREOF TO VARY THE MOVEMENT OF SAID LIFTING DEVICE.
Claim 2
Dependent Claim
111 words
A PANTOGRAPH ARRANGEMENT INCLUDING A PANTOGRAH OF THE TYPE DESCRIBED COMPRISING A LIFTING DEVICE INCLUDING A RESILIENT SUPPORT MEANS FOR A POWER PICK-UP, SAID POWER PICK-UP BEING GUIDED BY A LIFTING DEVICE FOR THE DISPLACEMENT THERETO IN A VERTICAL PLANE PERPENDICULAR TO A TRACK, SAID RESILIENT SUPPORT MEANS BEING DISPOSED AT THE IMMEDIATE VICINITY OF THE TOP OF SAID LIFTING DEVICE, WHEREBY THE PRESSURE EXERTED ON SAID RESILIENT SUPPORT MEANS IS PRACTICALLY REDUCED TO THE WEIGHT OF SAID POWER PICK-UP, AND INCLUDING MEASUREMENT EQUIPMENT TO MEASURE THE TENSILE STRESS ON SAID RESILIENT SUPPORT MEANS AND TO TRANSFORM THE RESUULT OF THE MEASUREMENT THEREOF TO VARY THE MOVEMENT OF SAID LIFTING DEVICE.
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |