US3245769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of introducing material into molten glass
Assignee: Corning Glass Works
•
Filing: 1962-10-25
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Granted: 1966-04-12
•
Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Roger D Eck
- 👤 George D Lipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
C; C03; C03B; C03B3/00; C03B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF CONTINUOUSLY INTRODUCING BATCH MATERIAL INTO THE MOLTEN BATH OF A GLASS MELTING TANK WHICH COMPRISES, REMOVING MOLTEN MATERIAL FROM A SOURCE THEREOF, DIRECTING THE REMOVED MATERIAL TOWARD THE BITE OF A PAIR OF COOPERABLE ROLLERS, SUPPLYING BATCH MATERIAL TO THE BITE OF SUCH ROLLS, INITIALLY COMBINING THE BATCH MATERIAL
Claim 2
Independent Claim
52 words
A METHOD OF CONTINUOUSLY INTRODUCING BATCH MATERIAL INTO THE MOLTEN BATH OF A GLASS MELTING TANK WHICH COMPRISES, REMOVING MOLTEN MATERIAL FROM A SOURCE THEREOF, DIRECTING THE REMOVED MATERIAL TOWARD THE BITE OF A PAIR OF COOPERABLE ROLLERS, SUPPLYING BATCH MATERIAL TO THE BITE OF SUCH ROLLS, INITIALLY COMBINING THE BATCH MATERIAL
References Cited (Backward Citations)
US2371213A
Cited
US3047409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |