US2596027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-treating furnace
Assignee: FURNACE ENGINEERS Inc
•
Filing: 1950-01-04
•
Granted: 1952-05-06
•
Expires: 1970-01-04
Abstract
No abstract record available.
Inventors
- 👤 Nicholas W Huckestein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:02
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/74; C21D1/767
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1747191A
Cited
US1717115A
Cited
US2028106A
Cited
US2352738A
Cited
US2504320A
Cited
US2504810A
Cited
US2540806A
Cited
US2502828A
Cited
US2454253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |