Patent US956427A successfully refreshed from Google Patents.
US978320A
Expired / Lapsed
US
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Feed-regulator for concrete-mixers.
Assignee: Individual
•
Filing: 1907-10-29
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Granted: 1910-12-13
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Expires: 1927-10-29
Abstract
No abstract record available.
Inventors
- 👤 Frank V Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:58
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/10; B05B11/1081; B05B11/1084
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) | 1913-12-12 | 1914-06-13 | 1914-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-12-12 | 1918-06-13 | 1918-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-12-12 | 1922-06-13 | 1922-12-13 | $7700.00 | Window Closed / Lapsed |