Patent US3535769A successfully refreshed from Google Patents.
US3535769A
Expired / Lapsed
US
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Formation of solder joints across gaps
Assignee: Unisys Corp
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Filing: 1969-05-23
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Granted: 1970-10-27
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Expires: 1989-05-23
Abstract
No abstract record available.
Inventors
- 👤 Sandor Goldschmied
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:18
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008; B23K1/001; H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/3447; H05K2201/00; H05K2201/02; H05K2201/0203; H05K2201/0206; H05K2201/0215; H05K2201/10; H05K2201/10227; H05K2201/1031; H05K2201/10613; H05K2201/10742; H05K2201/10886; H05K2201/10916; H05K2203/00; H05K2203/04; H05K2203/0415; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49147; Y10T29/49149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US185339A
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US2530552A
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US3006069A
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US3089449A
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US3266125A
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US3451836A
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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) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |