US3422320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing technique for composite ferrous-copper base alloy capsules for semiconductor devices
Assignee: Motors Liquidation Co
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Filing: 1965-12-23
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Granted: 1969-01-14
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Expires: 1985-12-23
Abstract
No abstract record available.
Inventors
- 👤 Larry R Woodling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:57
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0004; H; H10; H10W; H10W95/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2871338A
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US3024299A
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US3100927A
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US3005867A
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US3178811A
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US3226820A
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US3348297A
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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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |