US3548494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming plated metallic patterns on a substrate
Assignee: AT&T Inc
•
Filing: 1968-01-31
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Granted: 1970-12-22
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Expires: 1988-01-31
Abstract
No abstract record available.
Inventors
- 👤 Allen R Haring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/62; H10W70/65; H05; H05K; H05K3/00; H05K3/22; H05K3/24; H05K3/241; H05K3/242; H10W70/01; H10W70/05; H05K1/00; H05K1/02; H05K1/03; H05K1/0306; H05K1/09; H05K1/092; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0335; H05K2201/0347; H05K2201/09; H05K2201/09009; H05K2201/09027; H05K2201/09209; H05K2201/09654; H05K2201/09727; H05K2203/00; H05K2203/11; H05K2203/1115; H05K2203/17; H05K2203/175; H05K3/245; H05K3/246; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099; Y10T29/49107; Y10T29/49117; Y10T29/49124; Y10T29/49128; Y10T29/49155; Y10T29/49156; Y10T29/49799; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US893811A
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US2070435A
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US2171127A
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US2399753A
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US2651100A
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GB867560A
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US3402448A
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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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |