Patent US1487807A successfully refreshed from Google Patents.
US1487807A
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Hollow artificial textile manufacturing process
Assignee: Alsa SA Soc
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Filing: 1921-11-15
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Granted: 1924-03-25
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Expires: 1941-11-15
Abstract
No abstract record available.
Inventors
- 👤 Rousset Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:35
CPC Classifications
D; D01; D01F; D01F4/00; D01D; D01D1/00; D01D1/06; D01D1/065; D01D5/00; D01D5/24; D01D5/247
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) | 1927-03-25 | 1927-09-24 | 1928-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-03-25 | 1931-09-24 | 1932-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-03-25 | 1935-09-24 | 1936-03-25 | $7700.00 | Window Closed / Lapsed |