Patent US973442A successfully refreshed from Google Patents.
US973442A
Expired / Lapsed
US
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Cover for beet-flumes.
Assignee: COLORADO PRESSED STEEL Co
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Filing: 1910-02-08
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Granted: 1910-10-18
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Expires: 1930-02-08
Abstract
No abstract record available.
Inventors
- 👤 James R Lees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:42
CPC Classifications
E; E03; E03F; E03F3/00; E03F3/04; E03F3/046
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) | 1913-10-17 | 1914-04-18 | 1914-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-17 | 1918-04-18 | 1918-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-17 | 1922-04-18 | 1922-10-18 | $7700.00 | Window Closed / Lapsed |