US2786334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating system and electrical components thereof
Assignee: Fidelity Instrument Corp
•
Filing: 1953-12-28
•
Granted: 1957-03-26
•
Expires: 1973-12-28
Abstract
No abstract record available.
Inventors
- 👤 Alfred A Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:25
CPC Classifications
F; F25; F25B; F25B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191119903A
Cited
US1353691A
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US1420885A
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US1461575A
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US2115472A
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US2363857A
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US2374012A
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US2477988A
Cited
US2506809A
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US2608066A
Cited
US2586368A
Cited
US2675518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-25 | 1960-09-24 | 1961-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-25 | 1964-09-24 | 1965-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-25 | 1968-09-24 | 1969-03-26 | $7700.00 | Window Closed / Lapsed |