Patent US1764194A successfully refreshed from Google Patents.
US1764194A
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Controlling device for heat transference in refrigerators
Assignee: GAS REFRIGERATION Corp
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Filing: 1927-04-04
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Granted: 1930-06-17
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Expires: 1947-04-04
Abstract
No abstract record available.
Inventors
- 👤 Bruehl Lawrence
- 👤 Reichert Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:48
CPC Classifications
F; F28; F28F; F28F27/00; F25; F25D; F25D17/00; F25D17/04; F25D17/042; F25D17/045; F25B; F25B2500/00; F25B2500/31; Y; Y10; Y10S; Y10S116/00; Y10S116/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-06-16 | 1933-12-16 | 1934-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-06-16 | 1937-12-16 | 1938-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-06-16 | 1941-12-16 | 1942-06-17 | $7700.00 | Window Closed / Lapsed |