US2582561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of fibers, in particular glass fibers
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1945-09-21
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Granted: 1952-01-15
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Expires: 1965-09-21
Abstract
No abstract record available.
Inventors
- 👤 Peyches Ivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:06
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; C; C03; C03B; C03B37/00; C03B37/01; C03B37/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |