Patent US1744224A successfully refreshed from Google Patents.
US1744224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tread-cutting machine
Assignee: Gillette Rubber Co
•
Filing: 1927-04-11
•
Granted: 1930-01-21
•
Expires: 1947-04-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Hirsch
- 👤 Arnold R Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:36
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/951; Y10T; Y10T83/00; Y10T83/444; Y10T83/4529; Y10T83/4539; Y10T83/4541; Y10T83/4549; Y10T83/4551; Y10T83/4597; Y10T83/4599; Y10T83/768; Y10T83/7793; Y10T83/7797; Y10T83/7809; Y10T83/783; Y10T83/97
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) | 1933-01-20 | 1933-07-22 | 1934-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-20 | 1937-07-22 | 1938-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-20 | 1941-07-22 | 1942-01-21 | $7700.00 | Window Closed / Lapsed |