US3496072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multilayer printed circuit board and method for manufacturing same
Assignee: Control Data Corp
•
Filing: 1967-06-26
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Granted: 1970-02-17
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Expires: 1987-06-26
Abstract
No abstract record available.
Inventors
- 👤 Steven C Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:17
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/46; H05K3/4644; H05K3/4647; H05K2203/00; H05K2203/01; H05K2203/0147; H05K2203/0156; H05K2203/05; H05K2203/0502; H05K2203/0542; H05K2203/07; H05K2203/0703; H05K2203/0733; H05K3/22; H05K3/24; H05K3/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3152938A
Cited
US3325379A
Cited
US3319317A
Cited
US3301939A
Cited
US3340607A
Cited
US3436819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |