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Patent US772377A successfully refreshed from Google Patents.
US772377A
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US
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Separator or grader.
Assignee: CHARLES T ROWLAND
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Filing: 1901-07-17
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Granted: 1904-10-18
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Expires: 1921-07-17
Abstract
No abstract record available.
Inventors
- 👤 Lewis F Longmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:54
CPC Classifications
B; B02; B02C; B02C21/00; B02C21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1907-10-18 | 1908-04-18 | 1908-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-18 | 1912-04-18 | 1912-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-18 | 1916-04-18 | 1916-10-18 | $7700.00 | Window Closed / Lapsed |