US2483804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweat eliminator for frozen food cases
Assignee: ED FRIEDRICH Inc
•
Filing: 1947-09-15
•
Granted: 1949-10-04
•
Expires: 1967-09-15
Abstract
No abstract record available.
Inventors
- 👤 Clinton C Brinkoeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:28
CPC Classifications
A; A47; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0469; A47F3/0465; F; F25; F25D; F25D21/00; F25D21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2128386A
Cited
US2207586A
Cited
US2238511A
Cited
US2321695A
Cited
US2287997A
Cited
US2379885A
Cited
US2430329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |