US2477044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dehydrating materials
Assignee: Individual
•
Filing: 1946-04-22
•
Granted: 1949-07-26
•
Expires: 1966-04-22
Abstract
No abstract record available.
Inventors
- 👤 James H Carmean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:56
CPC Classifications
F; F26; F26B; F26B23/00; F26B23/001; F26B23/002; F26B23/004; F26B5/00; F26B5/04; Y; Y02; Y02B; Y02B30/00; Y02B30/52; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US76591A
Cited
US849579A
Cited
US1501513A
Cited
US1391510A
Cited
US1425005A
Cited
US1489109A
Cited
US1530439A
Cited
US2440416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |