Patent US3499107A successfully refreshed from Google Patents.
US3499107A
Expired / Lapsed
US
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Light transfer devices using light conducting members of multilayered construction and photoelectric means
Assignee: Individual
•
Filing: 1966-04-15
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Granted: 1970-03-03
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Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Edward Emanuel Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:16
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/83; H03K4/84; A; A61; A61B; A61B1/00; A61B1/00163; A61B1/00165; A61B1/00174; A61B1/00177; A61B1/04; A61B1/05; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/50; H03K4/48; H03K4/60; H03K4/62; H03K4/68; H01J2231/00; H01J2231/50; H01J2231/50005; H01J2231/5001; H01J2231/50015; H01J2231/50057; H01J2231/50068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21105E
Cited
US2122750A
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US2125006A
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US2354591A
Cited
US2510106A
Cited
US2757302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |