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US2998549A
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Light-controlling mechanism
Assignee: Individual
•
Filing: 1959-07-27
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Granted: 1961-08-29
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Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Louis J Meller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:50
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/09; G08G1/095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US686974A
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US716406A
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US1231964A
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FR615013A
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US1702997A
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USRE21235E
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US1942268A
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US2764648A
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US2820925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |