US2563935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus, including water circulating means
Assignee: MIGHTY MIDGET MANUFACTURING Co
•
Filing: 1950-04-06
•
Granted: 1951-08-14
•
Expires: 1970-04-06
Abstract
No abstract record available.
Inventors
- 👤 Kermit D Huffman
- 👤 Sigafoos Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1891714A
Cited
US2009312A
Cited
US2188839A
Cited
US2256971A
Cited
US2364154A
Cited
US2380901A
Cited
US2448453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |