US2998549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-controlling mechanism
Assignee: Individual
•
Filing: 1959-07-27
•
Granted: 1961-08-29
•
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 06:02
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/09; G08G1/095
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US686974A
Cited
US716406A
Cited
US1231964A
Cited
FR615013A
Cited
US1702997A
Cited
USRE21235E
Cited
US1942268A
Cited
US2764648A
Cited
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 |