US1923027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic mill mixer
Assignee: Bridgestone Firestone Inc
•
Filing: 1929-12-17
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Granted: 1933-08-15
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Expires: 1949-12-17
Abstract
No abstract record available.
Inventors
- 👤 Horace D Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:37
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/64; B29B7/645; B29B7/02; B29B7/06; B29B7/10; B29B7/18; B29B7/183; B29B7/72; B29B7/74; B29B7/7461; B29B7/7476; B29B7/7495
Claims Analysis
Total Claims: 0
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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) | 1936-08-14 | 1937-02-13 | 1937-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-14 | 1941-02-13 | 1941-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-14 | 1945-02-13 | 1945-08-15 | $7700.00 | Window Closed / Lapsed |