US3512255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flat-pack circuit modules packaging
Assignee: Westinghouse Electric Corp
•
Filing: 1967-12-29
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Granted: 1970-05-19
•
Expires: 1987-12-29
Abstract
No abstract record available.
Inventors
- 👤 Leland E Hayden
- 👤 Cornelius D Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:09
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/14; H05K1/145; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3151277A
Cited
US3266125A
Cited
US3323023A
Cited
US3384956A
Cited
US3404215A
Cited
US3451131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |