Patent US3139738A successfully refreshed from Google Patents.
US3139738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerated display fixture
Assignee: Recold Corp
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Filing: 1963-04-03
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Granted: 1964-07-07
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Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 Hyrum T Jarvis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:06
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443; A47F3/0452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A REFRIGERATED DISPLAY FIXTURE COMPRISING A PLURALITY OF VERTICALLY SPACED HOLLOW SHELVES HAVING FRONT AND REAR PORTIONS; EACH OF SAID SHELVES HAVING AN IMPERFORATE UPPER SURFACE EACH OF SAID SHELVES EXCEPT THE LOWERMOST SHELF HAVING OPENINGS ON THE BOTTOM NEAR SAID FRONT PORTION; A PERFORATE DUCT POSITIONED ON TOP OF AND AT THE REAR PORTION OF EACH SAID SHELF EXCEPT THE UPPERMOST SHELF; EACH SAID PERFORATE DUCT SUBSTANTIALLY SPACED FROM THE SAID SHELF THEREABOVE; AND MEANS FOR CONDUCTING REFRIGERATED AIR TO SAID SHELVES, FOR DISCHARGING THE AIR OUT SAID OPENINGS, FOR DRAWING INTO EACH OF SAID PERFORATE DUCTS THE AIR DISCHARGED FROM THE SHELF THEREABOVE, AND FOR CONDUCTING THE AIR OUT OF SAID DUCTS.
Claim 2
Dependent Claim
114 words
A REFRIGERATED DISPLAY FIXTURE COMPRISING A PLURALITY OF VERTICALLY SPACED HOLLOW SHELVES HAVING FRONT AND REAR PORTIONS; EACH OF SAID SHELVES HAVING AN IMPERFORATE UPPER SURFACE EACH OF SAID SHELVES EXCEPT THE LOWERMOST SHELF HAVING OPENINGS ON THE BOTTOM NEAR SAID FRONT PORTION; A PERFORATE DUCT POSITIONED ON TOP OF AND AT THE REAR PORTION OF EACH SAID SHELF EXCEPT THE UPPERMOST SHELF; EACH SAID PERFORATE DUCT SUBSTANTIALLY SPACED FROM THE SAID SHELF THEREABOVE; AND MEANS FOR CONDUCTING REFRIGERATED AIR TO SAID SHELVES, FOR DISCHARGING THE AIR OUT SAID OPENINGS, FOR DRAWING INTO EACH OF SAID PERFORATE DUCTS THE AIR DISCHARGED FROM THE SHELF THEREABOVE, AND FOR CONDUCTING THE AIR OUT OF SAID DUCTS.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |