US3494029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming electrical connections through circuit boards
Assignee: AT&T Teletype Corp
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Filing: 1968-03-28
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Granted: 1970-02-10
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Expires: 1988-03-28
Abstract
No abstract record available.
Inventors
- 👤 Harvey L Theilgaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:55
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0011; H05K3/0044; H05K3/005; H05K3/40; H05K3/4038; H05K3/4046; H05K2201/00; H05K2201/10; H05K2201/10227; H05K2201/10287; H05K2201/10295; H05K2201/10303; H05K2201/10416; H05K2203/00; H05K2203/11; H05K2203/1189; H05K3/30; H05K3/32; H05K3/34; H05K3/3447; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49147; Y10T29/49149; Y10T29/49826; Y10T29/49833; Y10T29/51; Y10T29/5176; Y10T29/53; Y10T29/5313; Y10T29/532; Y10T29/53209; Y10T29/5343
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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |