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US3011450A
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Assignee: Individual
•
Filing: 1957-10-25
•
Granted: 1961-12-05
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Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Lewis Tyree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:15
CPC Classifications
F; F04; F04B; F04B7/00; F04B7/04; F04B15/00; F04B15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA521508A
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GB293427A
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AU186031A
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CH158032A
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GB421301A
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FR860009A
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US2396602A
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FR53005E
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GB698977A
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FR1060300A
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US2739643A
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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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |