Patent US2748529A successfully refreshed from Google Patents.
US2748529A
Expired / Lapsed
US
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Toy rocket and parachute
Assignee: Individual
•
Filing: 1953-07-06
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Granted: 1956-06-05
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Expires: 1973-07-06
Abstract
No abstract record available.
Inventors
- 👤 Charles R Swan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:37
CPC Classifications
F; F41; F41B; F41B3/00; F41B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1723343A
Cited
US2309105A
Cited
US2277882A
Cited
US2376330A
Cited
US2607159A
Cited
US2675642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |