Patent US2875995A successfully refreshed from Google Patents.
US2875995A
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Heat treating furnace
Assignee: FERGUSON EQUIPMENT Corp
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Filing: 1956-01-17
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Granted: 1959-03-03
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Expires: 1976-01-17
Abstract
No abstract record available.
Inventors
- 👤 Troglione Vincent Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:25
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/74; C21D1/767; Y; Y10; Y10S; Y10S198/00; Y10S198/952
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1205690A
Cited
US1541691A
Cited
US1761199A
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US2010295A
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GB493184A
Cited
US2669445A
Cited
US2713480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |