US2772346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat blasting tool with fluid jet
Assignee: ALL SIL WELDING METALS Inc
•
Filing: 1953-11-09
•
Granted: 1956-11-27
•
Expires: 1973-11-09
Abstract
No abstract record available.
Inventors
- 👤 Theodore I Leston
- 👤 William B Kriewall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:36
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0211; B23K35/0216; B23K9/00; B23K9/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2028780A
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US2333811A
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GB564961A
Cited
US2379777A
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US2742555A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |