Patent US2287052A successfully refreshed from Google Patents.
US2287052A
Expired / Lapsed
US
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Aircraft passing and landing lamp
Assignee: —
•
Filing: 1940-09-26
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Granted: 1942-06-23
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Expires: 1960-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:50
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/30; F; F21; F21S; F21S41/00; F21S41/10; F21S41/14; F21S41/162; F21S41/20; F21S41/29; F21S41/30; F21S41/32; F21S41/321; F21S41/60; F21S41/67; F21S41/675
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-06-22 | 1945-12-22 | 1946-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-22 | 1949-12-22 | 1950-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-22 | 1953-12-22 | 1954-06-23 | $7700.00 | Window Closed / Lapsed |