Patent US2980370A successfully refreshed from Google Patents.
US2980370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying body for supersonic speed
Assignee: Individual
•
Filing: 1957-10-18
•
Granted: 1961-04-18
•
Expires: 1977-10-18
Abstract
No abstract record available.
Inventors
- 👤 Takacs Francisco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:32
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; B; B64; B64C; B64C30/00; F42B10/00; F42B10/32; F42B10/38; F42B10/42; F42B10/46
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |