Patent US3368703A successfully refreshed from Google Patents.
US3368703A
Expired / Lapsed
US
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Silo auger assembly of the sweep frame type
Assignee: Clayton & Lambert Manufacturing Co
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Filing: 1966-02-21
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Granted: 1968-02-13
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 William H Lusk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:56
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3075657A
Cited
US3297177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |