Patent US3444698A successfully refreshed from Google Patents.
US3444698A
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US
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Control apparatus for refrigerated display case
Assignee: Robertshaw US Holding Corp
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Filing: 1968-01-04
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Granted: 1969-05-20
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Expires: 1988-01-04
Abstract
No abstract record available.
Inventors
- 👤 Jerome L Lorenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:10
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/02; A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443; A47F3/0447; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/20; G05D23/24; F25B; F25B2700/00; F25B2700/11; F25B2700/111
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |