US2473095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilting salt bath furnace
Assignee: Wild Barfield Electric Furnaces Ltd
•
Filing: 1945-10-26
•
Granted: 1949-06-14
•
Expires: 1965-10-26
Abstract
No abstract record available.
Inventors
- 👤 Grene George Henry Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:23
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/34; C21D1/44; C21D1/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US749403A
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USRE16054E
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US696004A
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US863469A
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US1032217A
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US1070568A
Cited
US1370989A
Cited
US1601703A
Cited
GB291450A
Cited
US2379651A
Cited
US2367897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |