Patent US2602850A successfully refreshed from Google Patents.
US2602850A
Expired / Lapsed
US
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Airport lighting system
Assignee: EMARCO Corp
•
Filing: 1946-05-23
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Granted: 1952-07-08
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Expires: 1966-05-23
Abstract
No abstract record available.
Inventors
- 👤 Harold A Cline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:29
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20; F; F21; F21W; F21W2111/00; F21W2111/06; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |