Patent US2592340A successfully refreshed from Google Patents.
US2592340A
Expired / Lapsed
US
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Apparatus for the preheating of pattern plates
Assignee: Individual
•
Filing: 1948-07-27
•
Granted: 1952-04-08
•
Expires: 1968-07-27
Abstract
No abstract record available.
Inventors
- 👤 Ronceray Robert Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:47
CPC Classifications
B; B22; B22C; B22C7/00; B22C7/04; Y; Y10; Y10S; Y10S264/00; Y10S264/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1472807A
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US1920284A
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US1894983A
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US2021955A
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US2190828A
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US2120583A
Cited
US2247816A
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US2325722A
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US2367648A
Cited
GB571188A
Cited
US2380132A
Cited
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 |