Patent US2749121A successfully refreshed from Google Patents.
Patent US3021687A successfully refreshed from Google Patents.
US3021687A
Expired / Lapsed
US
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Ice tray drive assembly
Assignee: Dole Valve Co
•
Filing: 1960-01-04
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Granted: 1962-02-20
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Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dawson
- 👤 Robert R Dahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:59
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/04; F25C2305/00; F25C2305/022; F25C2305/0221; F25C2500/00; F25C2500/08; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |