Patent US2327A successfully refreshed from Google Patents.
US2327A
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US
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Improvement in the method of rendering fabrics water-proof
Assignee: —
•
Filing: —
•
Granted: 1841-11-03
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Expires: 1858-11-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:30
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; D; D06; D06M; D06M11/00; D06M11/68; D06M11/70; D06M11/71
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) | 1844-11-02 | 1845-05-04 | 1845-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1848-11-02 | 1849-05-04 | 1849-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1852-11-02 | 1853-05-04 | 1853-11-03 | $7700.00 | Window Closed / Lapsed |