Patent US3496380A successfully refreshed from Google Patents.
US3496380A
Expired / Lapsed
US
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Solid state carbonator control
Assignee: Dole Valve Co
•
Filing: 1968-02-06
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Granted: 1970-02-17
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Expires: 1988-02-06
Abstract
No abstract record available.
Inventors
- 👤 William H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:35
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/02; G; G05; G05D; G05D9/00; G05D9/12; F25D31/00; F25D31/002; F25D31/003; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7306
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) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |