Patent EP0611556A1 successfully refreshed from Google Patents.
US2903193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinders
Assignee: Individual
•
Filing: 1956-05-29
•
Granted: 1959-09-08
•
Expires: 1976-05-29
Abstract
No abstract record available.
Inventors
- 👤 Robert B Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:18
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C18/142; Y; Y10; Y10S; Y10S241/00; Y10S241/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US464832A
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DE596776C
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US1006573A
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US1908548A
Cited
FR752172A
Cited
US2584262A
Cited
US2753908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |