US2770072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy airplane construction
Assignee: NILS F TESTOR
•
Filing: 1952-02-27
•
Granted: 1956-11-13
•
Expires: 1972-02-27
Abstract
No abstract record available.
Inventors
- 👤 Nathan G Bast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:15
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE307189C
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DE207086C
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US2281792A
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US1127105A
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US1161316A
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US1553695A
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GB261489A
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DE564707C
Cited
US2399130A
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FR916742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |