US2476066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystal matrix
Assignee: GTE Sylvania Inc
•
Filing: 1948-05-06
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Granted: 1949-07-12
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Expires: 1968-05-06
Abstract
No abstract record available.
Inventors
- 👤 Rochester Nathaniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:08
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |