Patent US3226702A successfully refreshed from Google Patents.
US3226702A
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Apparatus for determining the position of an electrically conductive wire in the plane of its catenary
Assignee: South African Iron & Steel
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Filing: 1961-09-20
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Granted: 1965-12-28
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Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Zawels Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:19
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/2208; G01D5/2216; B; B21; B21B; B21B37/00; B21B37/48; B21B37/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586962A
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US2032176A
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US2068116A
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US2193189A
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US2661009A
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US2842039A
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US2677100A
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US2679620A
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US2742099A
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US3156989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |