US2116813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for preserving food
Assignee: Individual
•
Filing: 1933-12-26
•
Granted: 1938-05-10
•
Expires: 1953-12-26
Abstract
No abstract record available.
Inventors
- 👤 Weisser Charles O'n
- 👤 Ernest H Severson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:07
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/042; F25D17/047; A; A23; A23B; A23B2/00; A23B2/80; A23B2/805; A23B4/00; A23B4/06; A23B4/066; A23B4/068; F25D2317/00; F25D2317/04; F25D2317/043; Y; Y10; Y10S; Y10S292/00; Y10S292/71
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) | 1941-05-09 | 1941-11-08 | 1942-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-09 | 1945-11-08 | 1946-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-09 | 1949-11-08 | 1950-05-10 | $7700.00 | Window Closed / Lapsed |