US1894954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial flare
Assignee: Individual
•
Filing: 1932-04-15
•
Granted: 1933-01-24
•
Expires: 1952-04-15
Abstract
No abstract record available.
Inventors
- 👤 Lee P Johnson
- 👤 Theodore D Westfall
- 👤 Max W Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:28
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/48; F42B10/56
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) | 1936-01-24 | 1936-07-25 | 1937-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-24 | 1940-07-25 | 1941-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-24 | 1944-07-25 | 1945-01-24 | $7700.00 | Window Closed / Lapsed |