US3497195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for a continuous casting flame cutting machine
Assignee: Messer Griesheim GmbH
•
Filing: 1967-01-17
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Granted: 1970-02-24
•
Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Gustav Kalkhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:06
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002; B23K7/003; B22; B22D; B22D11/00; B22D11/12; B22D11/126; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4757; Y10T83/476
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2163697A
Cited
US2287833A
Cited
AT184308B
Cited
US3107404A
Cited
US3291470A
Cited
US3443805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |