US2592010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for melting batch material used in the manufacture of glass
Assignee: Pilkington Group Ltd
•
Filing: 1948-06-18
•
Granted: 1952-04-08
•
Expires: 1968-06-18
Abstract
No abstract record available.
Inventors
- 👤 Cole Horace
- 👤 Alfred R Green
- 👤 Mare Ernest B Le
- 👤 Robert F Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:55
CPC Classifications
C; C03; C03B; C03B3/00; Y; Y10; Y10S; Y10S198/00; Y10S198/952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1953034A
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GB598058A
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US2431799A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |