US2515236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored light source
Assignee: Individual
•
Filing: 1944-02-11
•
Granted: 1950-07-18
•
Expires: 1964-02-11
Abstract
No abstract record available.
Inventors
- 👤 Kunins Morris Kamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:34
CPC Classifications
F; F21; F21S; F21S10/00; F21S10/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1351375A
Cited
US1711303A
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GB304854A
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GB326488A
Cited
CH141681A
Cited
US1880230A
Cited
US1991775A
Cited
GB396790A
Cited
US2265980A
Cited
US2272646A
Cited
US2303196A
Cited
US2281790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |