Patent US2994572A successfully refreshed from Google Patents.
US2994572A
Expired / Lapsed
US
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Refrigerated display counter with automatic door opening
Assignee: Union Stock Yard and Transit Co
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Filing: 1957-05-29
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Granted: 1961-08-01
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Expires: 1977-05-29
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:41
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0404; A47F3/0426; A47F3/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848874A
Cited
US1964578A
Cited
US2534488A
Cited
US2627347A
Cited
US2697536A
Cited
FR1042722A
Cited
US2696417A
Cited
US2728570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |