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US3460334A
Expired / Lapsed
US
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Method and apparatus for the manufacture of electric conductors
Assignee: Balfour Beatty PLC
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Filing: 1966-12-22
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Granted: 1969-08-12
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas Lawrenson
- 👤 Alfred Richard Brinsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:03
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/22; H01B13/26; H01B9/00; H01B9/02; H01B9/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1818845A
Cited
DE682267C
Cited
DE631929C
Cited
US2258687A
Cited
US3187495A
Cited
US3133402A
Cited
US3324233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |