Patent US4727419A successfully refreshed from Google Patents.
US2990684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rod assembled plastic rocket
Assignee: Individual
•
Filing: 1958-02-10
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Granted: 1961-07-04
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Cohen William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:10
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34; F02K9/10; F02K9/18; F02K9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US2446560A
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US2685837A
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US2712283A
Cited
US2697325A
Cited
US2490349A
Cited
US2820410A
Cited
US2781633A
Cited
US2853946A
Cited
US2816418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |