US3067528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helicopter training apparatus
Assignee: M V MECCANICA VERGHERA
•
Filing: 1960-02-17
•
Granted: 1962-12-11
•
Expires: 1980-02-17
Abstract
No abstract record available.
Inventors
- 👤 Agusta Domenico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:18
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2702171A
Cited
US2916832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |