US3159240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial lifts for energized line working
Assignee: Ohio Brass Co
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Filing: 1961-08-22
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Granted: 1964-12-01
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:41
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/02; G01R27/025; B; B66; B66F; B66F11/00; B66F11/04; B66F11/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
A BOOM FOR AN AERIAL LIFT COMPRISING AN INSULATING BEAM CONSTITUTED BY AN ELONGATE MEMBER OF STRUCTURAL INSULATING MATERIAL, MEANS FOR CARRYING THE SAID INSULATING BEAM IN MOVABLE RELATION TO A SUPPORT MEANS INCLUDING A METAL PART AT ONE END OF THE INSULATING BEAM, MEANS CARRIED BY THE SAID INSULATING BEAM AT THE REMAINING END THEREOF INCLUDING A METAL PART, AND STRESS CONTROL MEANS SPACED APART ALONG THE INSULATING BEAM BETWEEN THE ENDS THEREOF FOR DISTRIBUTING AND CONTROLLING AN ELECTRIC FIELD ALONG THE BEAM DUE TO VOLTAGE DIFFERENCES IMPRESSED BETWEEN THE SAID MEATAL PARTS.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |