US1915849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass defrosting tray for mechanical refrigerators
Assignee: Individual
•
Filing: 1932-06-11
•
Granted: 1933-06-27
•
Expires: 1952-06-11
Abstract
No abstract record available.
Inventors
- 👤 Alvie C Crimmel
- 👤 Henry H Crimmel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:21
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/14; F25D2321/00; F25D2321/14; F25D2321/144; F25D2321/1441; Y; Y10; Y10S; Y10S62/00; Y10S62/11
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) | 1936-06-26 | 1936-12-26 | 1937-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-26 | 1940-12-26 | 1941-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-26 | 1944-12-26 | 1945-06-27 | $7700.00 | Window Closed / Lapsed |