Patent US3485370A successfully refreshed from Google Patents.
US3485370A
Expired / Lapsed
US
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Liquid-fuel-water separator for liquid fuel burners
Assignee: Panasonic Holdings Corp
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Filing: 1968-04-16
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Granted: 1969-12-23
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Expires: 1988-04-16
Abstract
No abstract record available.
Inventors
- 👤 Toshio Nozaki
- 👤 Kunihito Mori
- 👤 Yoshiyuki Ushirokajitani
- 👤 Kenya Okamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:08
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1468906A
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FR656533A
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US2311697A
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US2348757A
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US3012675A
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GB988569A
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US3385440A
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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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |