US3029348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optical servo system for coarse and fine positioning of transistors
Assignee: AT&T Inc
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Filing: 1959-10-02
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Granted: 1962-04-10
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Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 Heinz Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:55
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1436; H; H10; H10P; H10P72/00; H10P72/50; H10P72/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1582702A
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US2086153A
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US2462925A
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US2513367A
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US2921757A
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US2851643A
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US2882420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |