US3491546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of regulating the temperature of refrigerators
Assignee: Individual
•
Filing: 1967-10-25
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Granted: 1970-01-27
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Expires: 1987-10-25
Abstract
No abstract record available.
Inventors
- 👤 Walter Holzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:50
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25D; F25D29/00; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1906; G05D23/1913; G05D23/1927; G05D23/193; G05D23/1931; G05D23/20; G05D23/24; F25B2600/00; F25B2600/02; F25B2600/025; F25B2600/0251; F25B2700/00; F25B2700/21; F25B2700/2117; F25D2400/00; F25D2400/10; F25D2400/30; F25D2700/00; F25D2700/02; F25D2700/12; F25D2700/122
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) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |