Patent US2880477A successfully refreshed from Google Patents.
US3553884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy aerodynamic wing
Assignee: Individual
•
Filing: 1968-07-31
•
Granted: 1971-01-12
•
Expires: 1988-07-31
Abstract
Abstract A TOY AIRCRAFT COMPRISES AN AERODYNAMIC WING MEMBER WITH A WEIGHTED LEADING EDGE AND AN UPTURNED TRAILING EDGE, A VERTICAL STABILIZER FIN, AND A LAUNCHING CORD ATTACHED TO THE WING FOR LAUNCHING THE AIRCRAFT BY SWINGING THE AIRCRAFT AT THE END OF THE LAUNCHING CORD AND RELEASING THE CORD. THE WING IS PREFERABLY PROVIDED IN THE CONFIGURATION OF A CIRCULAR DISK.
Inventors
- 👤 Phillip E Dunstan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:43
CPC Classifications
A; A63; A63H; A63H27/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |