US3426427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal connection method for circuit boards
Assignee: General Dynamics Corp
•
Filing: 1966-08-01
•
Granted: 1969-02-11
•
Expires: 1986-08-01
Abstract
No abstract record available.
Inventors
- 👤 William P Dugan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:29
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/40; H05K3/42; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155; Y10T29/49165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2947064A
Cited
US3011920A
Cited
US3266929A
Cited
US3269861A
Cited
US3276927A
Cited
US3268653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |