US3465435A
Expired / Lapsed
US
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Method of forming an interconnecting multilayer circuitry
Assignee: International Business Machines Corp
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Filing: 1967-05-08
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Granted: 1969-09-09
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Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 James J Steranko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:23
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/4007; H05K3/4038; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0355; H05K2201/0364; H05K2201/0367; H05K2201/0382; H05K2201/0388; H05K2201/0394; H05K2201/09; H05K2201/09209; H05K2201/09372; H05K2201/09481; H05K2203/00; H05K2203/01; H05K2203/0104; H05K2203/0108; H05K2203/03; H05K2203/033; H05K2203/0338; H05K2203/06; H05K2203/063; H05K2203/07; H05K2203/0703; H05K2203/0726; H05K3/02; H05K3/022; H05K3/025; H05K3/10; H05K3/20; H05K3/205; H05K3/46; H05K3/4611; H05K3/4614; H05K3/4644; H05K3/4647; H05K3/4652; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49126; Y10T29/49147; Y10T29/49149; Y10T29/4981; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |