US2615702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial bath furnace
Assignee: Individual
•
Filing: 1950-02-18
•
Granted: 1952-10-28
•
Expires: 1970-02-18
Abstract
No abstract record available.
Inventors
- 👤 Allert Berthold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:31
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/34; C21D1/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1107478A
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US1073912A
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US1085540A
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US1354286A
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US1370215A
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GB328576A
Cited
US2027065A
Cited
US2015699A
Cited
US2098813A
Cited
US2145438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |