Patent US3538546A successfully refreshed from Google Patents.
US3538546A
Expired / Lapsed
US
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Adjustable feed deflector
Assignee: California Pellet Mill Co
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Filing: 1969-09-25
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Granted: 1970-11-10
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Expires: 1989-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robert W Gilman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/20; B30B11/201; B30B11/207
Claims Analysis
Total Claims: 0
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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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |