US3026073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary winged kite
Assignee: Individual
•
Filing: 1959-07-06
•
Granted: 1962-03-20
•
Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Stanley E Albertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/08; A63H27/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH146887A
Cited
US2107808A
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US2445611A
Cited
US2548748A
Cited
US2494430A
Cited
US2593979A
Cited
FR1089376A
Cited
US2827252A
Cited
US2801063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |