US2676431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model airplane kit
Assignee: TOP FLITE MODELS Inc
•
Filing: 1951-05-04
•
Granted: 1954-04-27
•
Expires: 1971-05-04
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:58
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190517935A
Cited
US996061A
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US1359619A
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US1776222A
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US1877120A
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US1799936A
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US1782385A
Cited
DE685480C
Cited
US2163075A
Cited
US2251090A
Cited
US2324892A
Cited
US2510884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |