US2494480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-service refrigerated case having a defrosting system
Assignee: C V Hill & Co Inc
•
Filing: 1946-04-29
•
Granted: 1950-01-10
•
Expires: 1966-04-29
Abstract
No abstract record available.
Inventors
- 👤 Malcolm D Macmaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:19
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397392A
Cited
US1907680A
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US1940515A
Cited
US2200502A
Cited
US2257247A
Cited
US2262104A
Cited
US2281770A
Cited
US2421314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |