US3039102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alignment techniques for recording heads assembly
Assignee: Laboratory For Electronics Inc
•
Filing: 1957-01-24
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Granted: 1962-06-12
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Expires: 1977-01-24
Abstract
No abstract record available.
Inventors
- 👤 Harrison W Fuller
- 👤 Sidney P Woodsum
- 👤 Jr William T Darou
- 👤 Carl W Ledin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:48
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143241A
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US2252535A
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US2237515A
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US2632957A
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US2644856A
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US2733425A
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US2802201A
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US2880280A
Cited
US2961494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |