US3474457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser recording apparatus
Assignee: Precision Instrument Co
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Filing: 1967-11-13
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Granted: 1969-10-21
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Expires: 1987-11-13
Abstract
No abstract record available.
Inventors
- 👤 Carl H Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
G; G06; G06K; G06K1/00; G06K1/12; G06K1/126; B; B23; B23K; B23K26/00; B23K26/08; B23K26/0823; B41; B41M; B41M5/00; B41M5/24; G01; G01D; G01D15/00; G01D15/14; G11; G11B; G11B7/00; G11B7/002; G11B7/0025; G11B7/004; G11B7/0045; G11B7/00451; G11B7/24; G11B7/241; G11B7/242; G11B7/243; G11C; G11C13/00; G11C13/04; G11C13/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3256524A
Cited
US3314073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |