Patent US3036151A successfully refreshed from Google Patents.
US3036151A
Expired / Lapsed
US
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Ultra-sonic recording system
Assignee: Curtiss Wright Corp
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Filing: 1959-10-12
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Granted: 1962-05-22
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Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Hugh A Mitchell
- 👤 Leon D Furon
- 👤 Donald R Modispacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:16
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618; G01N29/0636; H; H04; H04N; H04N1/00; H04N1/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2237645A
Cited
US2688697A
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US2545463A
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US2709716A
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US2638500A
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US2809298A
Cited
US2921126A
Cited
US2971372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |