US5272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in feed-rollers forcarding-machlnes
Assignee: —
•
Filing: —
•
Granted: 1847-09-04
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Expires: 1864-09-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:20
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/84; D01G15/88
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) | 1850-09-03 | 1851-03-05 | 1851-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1854-09-03 | 1855-03-05 | 1855-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1858-09-03 | 1859-03-05 | 1859-09-04 | $7700.00 | Window Closed / Lapsed |