Patent US2264229A successfully refreshed from Google Patents.
US2264229A
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US
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Process for treating fibers and the products produced
Assignee: Sylvania Industrial Corp
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Filing: 1938-10-01
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Granted: 1941-11-25
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Expires: 1958-10-01
Abstract
No abstract record available.
Inventors
- 👤 Wallach Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:18
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/42; D04H1/425; C; C08; C08B; C08B11/00; C08B11/02; C08B11/04; C08B11/08; C08B3/00; C08B3/20; D04H1/4266; D04H1/44; D04H1/50; D04H1/54; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D06M11/385; D06M13/00; D06M13/08; D06M13/10; D06M13/11; D06M13/184; D06M13/188; D06M13/203; D06M13/207; D06M13/21; D06M13/224; D06M13/244; D06M13/248; D06M13/256; D06M23/00; D06Q; D06Q1/00; D06Q1/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T442/00; Y10T442/30; Y10T442/3049
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) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |