US3317100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making short fibers particularly from glass
Assignee: VEB GLASFASERWERK STEINACH
•
Filing: 1965-08-27
•
Granted: 1967-05-02
•
Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Flemming Herbert
- 👤 Kuhne Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:48
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/10; C03B37/16; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/329; Y10T225/371
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN AN APPARATUS FOR FORMING INTO RELATIVELY SHORT FIBERS OF PREDETERMINED LENGTHS ELONGATED INDIVIDUAL FILAMENTS MADE OF A MATERIAL WHICH IS BRITTLE ENOUGH TO BREAK WHEN BENT BEYOND A PREDETERMINED CRITICAL BENDING RADIUS, A ROLLER HAVING AT ITS OUTER SURFACE PROJECTIONS WHICH TERMINATE IN TIPS HAVING ROUNDED FREE EDGES OF A RADIUS OF CURVATURE LESS THAN THE CRITICAL BENDING RADIUS AT WHICH THE INDIVIDUAL FILAMENTS WILL BREAK, AND MEANS COACTING WITH SAID ROLLER FOR BENDING INDIVIDUAL FILAMENTS AROUND SAID ROUNDED EDGES THEREOF SO THAT SAID FILAMENTS WILL BREAK.
Claim 2
Dependent Claim
88 words
IN AN APPARATUS FOR FORMING INTO RELATIVELY SHORT FIBERS OF PREDETERMINED LENGTHS ELONGATED INDIVIDUAL FILAMENTS MADE OF A MATERIAL WHICH IS BRITTLE ENOUGH TO BREAK WHEN BENT BEYOND A PREDETERMINED CRITICAL BENDING RADIUS, A ROLLER HAVING AT ITS OUTER SURFACE PROJECTIONS WHICH TERMINATE IN TIPS HAVING ROUNDED FREE EDGES OF A RADIUS OF CURVATURE LESS THAN THE CRITICAL BENDING RADIUS AT WHICH THE INDIVIDUAL FILAMENTS WILL BREAK, AND MEANS COACTING WITH SAID ROLLER FOR BENDING INDIVIDUAL FILAMENTS AROUND SAID ROUNDED EDGES THEREOF SO THAT SAID FILAMENTS WILL BREAK.
References Cited (Backward Citations)
US1909235A
Cited
FR875087A
Cited
US2745491A
Cited
US3063608A
Cited
US3103304A
Cited
US3118336A
Cited
US3128507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |