US2461841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making fibrous glass articles
Assignee: Corning Glass Works
•
Filing: 1944-01-26
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Granted: 1949-02-15
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Expires: 1964-01-26
Abstract
No abstract record available.
Inventors
- 👤 Nordberg Martin Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:50
CPC Classifications
C; C03; C03C; C03C13/00; C03C13/005; Y; Y10; Y10S; Y10S264/00; Y10S264/19; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1721979A
Cited
US2215039A
Cited
US2184320A
Cited
GB504883A
Cited
US2338463A
Cited
US2221709A
Cited
US2339928A
Cited
US2286275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |