US2357392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing fibrous products
Assignee: Sylvania Industrial Corp
•
Filing: 1941-03-01
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Granted: 1944-09-05
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Expires: 1961-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Carleton S Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:00
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/06; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/56; D21; D21J; D21J1/00; Y; Y10; Y10S; Y10S264/00; Y10S264/75; Y10S8/00; Y10S8/09; Y10S8/10; Y10S8/21
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) | 1947-09-05 | 1948-03-06 | 1948-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-05 | 1952-03-06 | 1952-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-05 | 1956-03-06 | 1956-09-05 | $7700.00 | Window Closed / Lapsed |