US2884681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing fibers of different diameters simultaneously and of producing glass paper therefrom
Assignee: LOF GLASS FIBERS CO
•
Filing: 1952-11-12
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Granted: 1959-05-05
•
Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Labino Dominick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
D; D21; D21H; D21H13/00; D21H13/36; D21H13/38; D21H13/40; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/298
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2057393A
Cited
US2395371A
Cited
US2565941A
Cited
US2511381A
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US2751962A
Cited
US2658848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |