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US3454005A
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Automatic bailing self-sealing water trap and emergency air inlet
Assignee: DAVID H EUBANKS
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Filing: 1966-09-23
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Granted: 1969-07-08
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Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 David H Eubanks
- 👤 David Wickliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:50
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/08; A61M16/0808; Y; Y10; Y10S; Y10S261/00; Y10S261/34; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/3102; Y10T137/3105; Y10T137/7287; Y10T137/7313; Y10T137/7323; Y10T137/7326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191406328A
Cited
US2972412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |