US1181784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hovering-flight aeroplane system.
Assignee: Individual
•
Filing: 1915-10-07
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Granted: 1916-05-02
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Expires: 1935-10-07
Abstract
No abstract record available.
Inventors
- 👤 John Mccurry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:07
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/82; B64C37/00; B64C37/02
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) | 1919-05-02 | 1919-11-01 | 1920-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-05-02 | 1923-11-01 | 1924-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-05-02 | 1927-11-01 | 1928-05-02 | $7700.00 | Window Closed / Lapsed |