Patent US3636972A successfully refreshed from Google Patents.
US3758285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making glass fiber sprays
Assignee: Individual
•
Filing: 1971-11-08
•
Granted: 1973-09-11
•
Expires: 1991-11-08
Abstract
Abstract Making a glass fiber spray be securing together a bundle of fibers at one end, leaving the other end unsecured, and heating bundle adjacent the secured end to a point where the outermost fibers in the bundle are caused to sage outwardly with a permanent set, and fibers located inwardly thereof sag to a decreasing degree toward the center portion of the bundle where the fibers are substantially unaffected by the heat.
Inventors
- 👤 K Knowlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:53
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C03B37/14; C03B37/15; C03B23/00; C03B23/20; C03B23/207; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |