Patent US3490706A successfully refreshed from Google Patents.
US3490706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste pulverizer
Assignee: ROY H ROGERS
•
Filing: 1967-09-05
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Granted: 1970-01-20
•
Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Roy H Rogers
- 👤 Chester D Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:35
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/0084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1609529A
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US1840749A
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US2122658A
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US2158240A
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US2374456A
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US2505023A
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US2889862A
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US2894697A
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US3322353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |