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US2682226A
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Assignee: Individual
•
Filing: 1949-11-25
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Granted: 1954-06-29
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Expires: 1969-11-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:31
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/16; F04B1/122; F04B1/124; F04B1/126; F04B1/26; F04B1/28; F04B1/29; F04B1/295; F04B53/00; F04B53/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR771419A
Cited
US2014860A
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US2169456A
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US2215700A
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US2392543A
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US2329912A
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US2373723A
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US2392980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |