US1047680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed-regulator for gravity concrete-mixers.
Assignee: Individual
•
Filing: 1912-03-02
•
Granted: 1912-12-17
•
Expires: 1932-03-02
Abstract
No abstract record available.
Inventors
- 👤 George W Mills
- 👤 James E Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:12
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/02; B28C5/04
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) | 1915-12-17 | 1916-06-17 | 1916-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-12-17 | 1920-06-17 | 1920-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-12-17 | 1924-06-17 | 1924-12-17 | $7700.00 | Window Closed / Lapsed |