Patent US5433713A successfully refreshed from Google Patents.
Patent US978667A successfully refreshed from Google Patents.
US978667A
Expired / Lapsed
US
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Agitator.
Assignee: Allis Chalmers Corp
•
Filing: 1909-05-03
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Granted: 1910-12-13
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Expires: 1929-05-03
Abstract
No abstract record available.
Inventors
- 👤 Louis T Sicka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:14
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/01; F03; F03B; F03B11/00; F03B11/02; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10T; Y10T137/00; Y10T137/8593
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 |