US2981611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of printed electrical circuits or components
Assignee: Metropolitan Vickers Electrical Co Ltd
•
Filing: 1957-03-12
•
Granted: 1961-04-25
•
Expires: 1977-03-12
Abstract
No abstract record available.
Inventors
- 👤 Ashworth Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:01
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/02; H05K3/04; H05K3/046; H05K3/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2717220A
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US2845364A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |