US2994148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Directional luminaire
Assignee: MCPHILBEN Manufacturing CO Inc
•
Filing: 1959-01-21
•
Granted: 1961-08-01
•
Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 Endelson Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:42
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0081; G02B6/0086; G02B6/0091; G09; G09F; G09F13/00; G09F13/18; G02B6/0066; G02B6/007; G02B6/0071; G02B6/0083
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) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |