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US849823A
Expired / Lapsed
US
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Manufacture of filaments and films from viscose.
Assignee: SILAS W PETTIT
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Filing: 1904-05-03
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Granted: 1907-04-09
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Expires: 1924-05-03
Abstract
No abstract record available.
Inventors
- 👤 Charles N Waite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:02
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/46
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) | 1910-04-08 | 1910-10-08 | 1911-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-04-08 | 1914-10-08 | 1915-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-04-08 | 1918-10-08 | 1919-04-09 | $7700.00 | Window Closed / Lapsed |