US3045340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a gas-tight integral tube panel
Assignee: Babcock and Wilcox Co
•
Filing: 1957-07-30
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Granted: 1962-07-24
•
Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 Kolling Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:33
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/101; F22B37/102; B; B21; B21D; B21D53/00; B21D53/02; B21D53/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49373
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1236145A
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US2319487A
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US2660155A
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US2745169A
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US2719210A
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US2782495A
Cited
US2817981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |