Patent US5002556A successfully refreshed from Google Patents.
US2963937A
Expired / Lapsed
US
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Optical beam splitter
Assignee: General Precision Inc
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Filing: 1958-09-29
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Granted: 1960-12-13
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Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Raitiere Louis Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:59
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/10; G02B27/106; G02B27/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE362482C
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US1280667A
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US1668015A
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FR606896A
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US2053224A
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FR775060A
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US2178245A
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US2600590A
Cited
US2672072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |