US2840405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically-controlled refrigerator door
Assignee: Individual
•
Filing: 1956-08-17
•
Granted: 1958-06-24
•
Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Urban J Feltz
- 👤 Charles C Benn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:19
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/02; E05B47/023; E05B47/0001; E05B47/0002; E05B47/0003; E05B47/0004; Y; Y10; Y10S; Y10S292/00; Y10S292/65; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0926; Y10T292/0928
Claims Analysis
Total Claims: 0
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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) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |