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US3461220A
Expired / Lapsed
US
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Wiring section for an electrical wiring system
Assignee: FC Blackwell and Co Ltd
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Filing: 1966-10-10
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Granted: 1969-08-12
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Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur Shepherd Hukin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:34
CPC Classifications
H; H01; H01R; H01R25/00; H01R25/16; H01R25/161; H01R25/162
Claims Analysis
Total Claims: 0
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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) | 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 |