US3498074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for refrigerating apparatus
Assignee: Robertshaw US Holding Corp
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Filing: 1966-11-23
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Granted: 1970-03-03
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Solomon S Fineblum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:30
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/20; F25B2400/00; F25B2400/02; F25B2600/00; F25B2600/25; F25B2600/2501; F25B2700/00; F25B2700/21; F25B2700/2117; F25B2700/21171; F25B2700/21172
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |