US2506578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic space drier
Assignee: Individual
•
Filing: 1947-09-08
•
Granted: 1950-05-09
•
Expires: 1967-09-08
Abstract
No abstract record available.
Inventors
- 👤 James W Case
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:56
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/30; F26B21/33; F26B21/331; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1425197A
Cited
US1601308A
Cited
US1920914A
Cited
US2223586A
Cited
US2190168A
Cited
US2297763A
Cited
US2278854A
Cited
US2411039A
Cited
US2462952A
Cited
US2478617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |