US2547787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer for constructional aggregates and the like
Assignee: Individual
•
Filing: 1948-01-28
•
Granted: 1951-04-03
•
Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Siebring Claude
- 👤 Siebring Barton Gerard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/18; B28C5/1893; B01; B01F; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3206; Y; Y10; Y10S; Y10S366/00; Y10S366/606
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |