US3091942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food merchandiser
Assignee: Hussmann Corp
•
Filing: 1961-04-10
•
Granted: 1963-06-04
•
Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Edgar V Dickson
- 👤 Theodore E Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:55
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443; A47F3/0447; A47F2003/046
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
THE METHOD OF REFRIGERATING A PRODUCT ZONE HAVING AN OPEN FRONT SIDE, COMPRISING THE STEPS OF FORMING AN AIR WALL ACROSS THE OPEN FRONT SIDE OF SAID PRODUCT ZONE, DISTRIBUTING OTHER AIR THROUGHOUT SAID PRODUCT ZONE, COOLING SAID OTHER AIR TO LOW REFRIGERATION TEMPERATURES FOR PRESELECTED TIME INTERVALS, DEFROSTING THE MEANS FOR COOLING SAID OTHER AIR INTERMEDIATE SAID TIME INTERVALS, AND CONTINUOUSLY COOLING SAID AIR WALL TO HIGH REFRIGERATION TEMPERATURES DURING DEFROSTING OF SAID MEANS FOR COOLING SAID OTHER AIR.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |