US3391455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making printed circuit boards
Assignee: Panasonic Holdings Corp
•
Filing: 1964-12-21
•
Granted: 1968-07-09
•
Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Hirohata Hyogo
- 👤 Nakamura Tsuneshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:53
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/22; H05K3/24; H05K3/245; H05K3/246; H01; H01B; H01B1/00; H05K3/10; H05K3/102; H05K3/38; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0347; H05K2203/00; H05K2203/02; H05K2203/0278; H05K2203/05; H05K2203/0502; H05K2203/0522; H05K3/40; H05K3/42; H05K3/425; H05K3/428; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3132204A
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US2897409A
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US2848359A
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US2947064A
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US2936814A
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US3031344A
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US3146125A
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US3269861A
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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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |