US2432078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane horn
Assignee: Individual
•
Filing: 1946-04-04
•
Granted: 1947-12-09
•
Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Adler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:20
CPC Classifications
B; B64; B64D; B64D47/00; B64D47/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324784A
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US1667206A
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FR603459A
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US1667300A
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US1628230A
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US1667287A
Cited
US1778206A
Cited
US1781266A
Cited
US2060911A
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US2018740A
Cited
US2392394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |