US2587715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Target aircraft hit indicating system
Assignee: Individual
•
Filing: 1947-08-18
•
Granted: 1952-03-04
•
Expires: 1967-08-18
Abstract
No abstract record available.
Inventors
- 👤 Cameron D Fairchild
- 👤 Paul M Gross
- 👤 Marcus E Hobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:54
CPC Classifications
F; F41; F41J; F41J5/00; F41J5/04; F41J5/056; Y; Y10; Y10S; Y10S367/00; Y10S367/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US232417A
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US2473922A
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FR465537A
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US2275675A
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US2340714A
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US2349182A
Cited
US2331236A
Cited
US2331237A
Cited
US2337132A
Cited
US2427901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |