US2986999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Externally mounted, jet-ignited tracking flare
Assignee: Individual
•
Filing: 1958-06-03
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Granted: 1961-06-06
•
Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Willy A Fiedler
- 👤 Ernest M Kane
- 👤 Frederick L Haake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:02
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/38; F41; F41J; F41J2/00; F41J2/02
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |