Patent US3460448A successfully refreshed from Google Patents.
US3460448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of printed circuits
Assignee: BAC AND BRITISH AEROSPACE
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Filing: 1966-09-07
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Granted: 1969-08-12
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Expires: 1986-09-07
Abstract
No abstract record available.
Inventors
- 👤 Cyril Victor Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:54
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/70; G03F7/70375; H; H05; H05K; H05K3/00; H05K3/0002; H05K2203/00; H05K2203/05; H05K2203/0548; H05K2203/056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3247761A
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 |