US2423587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drier and heater
Assignee: Individual
•
Filing: 1945-12-22
•
Granted: 1947-07-08
•
Expires: 1965-12-22
Abstract
No abstract record available.
Inventors
- 👤 William E Drewes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:34
CPC Classifications
F; F26; F26B; F26B9/00; F26B9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191010291A
Cited
US1602446A
Cited
US1460378A
Cited
US1499903A
Cited
US1668762A
Cited
US1752797A
Cited
US1940626A
Cited
GB469767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |