Patent US3053533A successfully refreshed from Google Patents.
US3053533A
Expired / Lapsed
US
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Flight control device for a model airplane
Assignee: RUDOLPH HORVATH
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Filing: 1959-09-11
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Granted: 1962-09-11
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Expires: 1979-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jack C Weymouth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:48
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/04
Claims Analysis
Total Claims: 0
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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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |