Patent US3493181A successfully refreshed from Google Patents.
US3493181A
Expired / Lapsed
US
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Device for converting liquid fuel to micron size droplets
Assignee: Zinklahoma Inc
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Filing: 1968-03-18
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Granted: 1970-02-03
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Expires: 1988-03-18
Abstract
No abstract record available.
Inventors
- 👤 Hershel Goodnight
- 👤 John Smith Zink
- 👤 Robert D Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:08
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/101; F23D11/102; F23D11/24; F23D11/26; F23D11/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |