US2157678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator door
Assignee: Individual
•
Filing: 1938-04-11
•
Granted: 1939-05-09
•
Expires: 1958-04-11
Abstract
No abstract record available.
Inventors
- 👤 Richard H Schielke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:12
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/10; E05D2015/1028; E05D2015/1031; E05D2015/1039; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/604; E05Y2201/606; E05Y2201/62; E05Y2201/622; E05Y2201/706; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |