US3491779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solder leveling apparatus
Assignee: Teledyne Brown Engineering Inc
•
Filing: 1967-07-06
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Granted: 1970-01-27
•
Expires: 1987-07-06
Abstract
No abstract record available.
Inventors
- 👤 John H Mclain
- 👤 Bobby J Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:29
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/3465; H05K3/3468; B; B23; B23K; B23K1/00; B23K1/012; B23K1/015; H05K2203/00; H05K2203/04; H05K2203/044; H05K2203/07; H05K2203/0736; H05K2203/0746; H05K2203/0756; H05K2203/0776; H05K2203/15; H05K2203/1509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1446579A
Cited
US1491211A
Cited
US2172471A
Cited
US2128028A
Cited
US2940458A
Cited
US3174491A
Cited
US3261368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |