US1097976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-scalping machine.
Assignee: DETROIT COPPER AND BRASS ROLLING MILLS
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Filing: 1912-12-28
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Granted: 1914-05-26
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Expires: 1932-12-28
Abstract
No abstract record available.
Inventors
- 👤 Alexander Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:21
CPC Classifications
B; B21; B21B; B21B45/00; B21B45/04; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4561; Y10T409/00; Y10T409/30; Y10T409/304088; Y10T409/3042
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) | 1917-05-25 | 1917-11-24 | 1918-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-05-25 | 1921-11-24 | 1922-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-05-25 | 1925-11-24 | 1926-05-26 | $7700.00 | Window Closed / Lapsed |