Patent US3409119A successfully refreshed from Google Patents.
US3409119A
Expired / Lapsed
US
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Clamp-on sliding inlet cover control assembly for auger conveyors
Assignee: Individual
•
Filing: 1966-10-17
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Granted: 1968-11-05
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Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Mayrath Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:44
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/08; B65G33/14; B65G33/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2290039A
Cited
US2769525A
Cited
FR1123714A
Cited
GB850850A
Cited
US2988203A
Cited
US3080960A
Cited
US3141541A
Cited
FR1342905A
Cited
US3253695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |