Patent EP0425302A2 successfully refreshed from Google Patents.
US2653782A
Expired / Lapsed
US
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Highway lighting device and method of making same
Assignee: Individual
•
Filing: 1950-02-25
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Granted: 1953-09-29
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Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry C Pfaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:33
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; E; E04; E04H; E04H12/00; E04H12/24; F21W; F21W2131/00; F21W2131/10; F21W2131/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US924005A
Cited
US956245A
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US1662334A
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US1754082A
Cited
GB263116A
Cited
US1892382A
Cited
GB572646A
Cited
US2400031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |