US3332758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing glass fibers
Assignee: Individual
•
Filing: 1963-06-21
•
Granted: 1967-07-25
•
Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Miles S Firnhaber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:27
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN AN APPARATUS FOR PRODUCING GLASS FIBERS, SAID APPARATUS HAVING A FOREHEARTH FOR MOLTEN GLASS WITH DISCHARGE MEANS, A POWER-DRIVEN SHAFT SUPPORTED FOR ROTATION ADJACENT SAID FOREHEARTH, A ROTOR HEAD FIXED ON SAID SHAFT, SAID ROTOR HEAD HAVING A BASE WITH AN ENLARGED PERIPHERAL FLANGE, ONE PORTION OF SAID PERIPHERAL FLANGE PROJECTING IN ONE DIRECTION FROM THE BASE TO FORM A MOLTEN GLASS-RECEIVING CUP POSITIONED TO RECEIVE MOLTEN GLASS FROM SAID DISCHARGE MEANS OF THE FORHEARTH, THE OTHER PORTION OF SAID PERIPHERAL FLANGE PROJECTING IN THE OPPOSITE DIRECTION FROM SAID BASE TO FORM AN ANNULAR BOLTING FLANGE, A RIM SURROUNDING SAID PERIPHERAL FLANGE AND HAVING AN APERTURED PORTION PROJECTING IN ONE DIRECTION BE-
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |