US2860447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy aircraft
Assignee: Schreyer and Co
•
Filing: 1957-07-10
•
Granted: 1958-11-18
•
Expires: 1977-07-10
Abstract
No abstract record available.
Inventors
- 👤 Muller Heinrich
- 👤 Girz Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:12
CPC Classifications
A; A63; A63H; A63H30/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2427952A
Cited
GB506802A
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US2346850A
Cited
US2439054A
Cited
US2632284A
Cited
US2723492A
Cited
US2778158A
Cited
US2795897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |