US3469019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weldable printed circuit board
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1967-05-25
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Granted: 1969-09-23
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Expires: 1987-05-25
Abstract
No abstract record available.
Inventors
- 👤 William G Reimann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:54
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/42; H05K3/4092; H05K2203/00; H05K2203/07; H05K2203/0703; H05K2203/0723; H05K3/30; H05K3/32; H05K3/328; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49165; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2100333A
Cited
US2955351A
Cited
US3159906A
Cited
US3256586A
Cited
US3213325A
Cited
US3233034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |