US3014352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration control with means to limit compressor load
Assignee: Sporlan Valve Co
•
Filing: 1959-12-31
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Granted: 1961-12-26
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Leimbach John George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:19
CPC Classifications
F; F25; F25B; F25B41/00; F25B41/20; F25B41/24; F25B2400/00; F25B2400/04; F25B2400/0409; F25B2400/0411; F25B2600/00; F25B2600/02; F25B2600/026; F25B2600/0261; Y; Y10; Y10S; Y10S62/00; Y10S62/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2106591A
Cited
US2112039A
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US2252979A
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US2280425A
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US2454263A
Cited
US2510405A
Cited
US2742768A
Cited
DE1019661B
Cited
US2912832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |