US1686597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential drying machine
Assignee: Individual
•
Filing: 1925-03-16
•
Granted: 1928-10-09
•
Expires: 1945-03-16
Abstract
No abstract record available.
Inventors
- 👤 Bock Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:20
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/06; F26B13/08; F26B13/10; F26B13/14; F26B21/00; F26B21/50; F26B23/00; F26B23/10; F26B3/00; F26B3/02; F26B3/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1931-10-09 | 1932-04-09 | 1932-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-09 | 1936-04-09 | 1936-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-09 | 1940-04-09 | 1940-10-09 | $7700.00 | Window Closed / Lapsed |