Patent US3046554A successfully refreshed from Google Patents.
US3046554A
Expired / Lapsed
US
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Recording apparatus
Assignee: Bausch and Lomb Inc
•
Filing: 1958-07-21
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Granted: 1962-07-24
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Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Corwin H Brumley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:54
CPC Classifications
G; G01; G01D; G01D9/00; G01D9/28; G01D9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1598595A
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US1755079A
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US2281954A
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US2334510A
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US2415879A
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US2467808A
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US2605671A
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US2846638A
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US2805373A
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US2943905A
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US2846641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |