Patent DE1492011A1 successfully refreshed from Google Patents.
US2512897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for dehydrating and preserving by application of a vacuum
Assignee: Individual
•
Filing: 1945-05-21
•
Granted: 1950-06-27
•
Expires: 1965-05-21
Abstract
No abstract record available.
Inventors
- 👤 Victor M David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
F; F26; F26B; F26B5/00; F26B5/04; F26B5/044; A; A23; A23B; A23B2/00; A23B2/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US90545A
Cited
US331532A
Cited
US522848A
Cited
US1309357A
Cited
US631214A
Cited
US688152A
Cited
US698534A
Cited
US670436A
Cited
US753904A
Cited
US794564A
Cited
US1007940A
Cited
US1161603A
Cited
US1123113A
Cited
US1160109A
Cited
US1086950A
Cited
US1272649A
Cited
US1263392A
Cited
US1418638A
Cited
US1458403A
Cited
US1522966A
Cited
US1589504A
Cited
US1625548A
Cited
US1577709A
Cited
US1756992A
Cited
US1768296A
Cited
US1902637A
Cited
US2215265A
Cited
US2374232A
Cited
US2422557A
Cited
US2362117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |