US3535780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process for the production of electrical circuits
Assignee: Individual
•
Filing: 1967-10-04
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Granted: 1970-10-27
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:25
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/103; H05K1/00; H05K1/18; H05K1/189; H05K7/00; H05K7/02; H05K7/06; H05K1/02; H05K1/03; H05K1/0393; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/09218; H05K2201/09236; H05K2201/10; H05K2201/10227; H05K2201/1028; H05K2201/10401; H05K3/38; H05K3/386; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49139; Y10T29/49155; Y10T29/49158; Y10T29/49165; Y10T29/49826; Y10T29/49828; Y10T29/49829; Y10T29/51; Y10T29/5136; Y10T29/5137; Y10T29/5143; Y10T29/5145; Y10T29/53; Y10T29/5313; Y10T29/53174; Y10T29/53183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |