US2675642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy rocket
Assignee: Individual
•
Filing: 1952-04-04
•
Granted: 1954-04-20
•
Expires: 1972-04-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Coleman
- 👤 John R Ballentine
- 👤 William H Mcdill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:37
CPC Classifications
F; F41; F41B; F41B7/00; F41B7/08; A; A63; A63H; A63H27/00; A63H27/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1639602A
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US2017778A
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US2398391A
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US2478224A
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US2484320A
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US2559458A
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US2568475A
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US2563969A
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US2588184A
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US2630654A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |