Patent US2206786A successfully refreshed from Google Patents.
Patent US2967767A successfully refreshed from Google Patents.
US2967767A
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US
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Iron powder composition for gas-cutting, gas-washing, and gas-scarfing
Assignee: Individual
•
Filing: 1958-11-28
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Granted: 1961-01-10
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Nishikiori Seiji
- 👤 Okada Yasuharu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:52
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/228; B22; B22F; B22F9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2916373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |