Patent US2659828A successfully refreshed from Google Patents.
US2659828A
Expired / Lapsed
US
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Light beam stabilizing system
Assignee: Individual
•
Filing: 1950-01-03
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Granted: 1953-11-17
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Expires: 1970-01-03
Abstract
No abstract record available.
Inventors
- 👤 William S Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:44
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/257; H03; H03M; H03M1/00; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24; H03M1/12; H03M1/22
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |