US3007679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-vibration structure for heat exchanger tubes
Assignee: Westinghouse Electric Corp
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Filing: 1960-06-22
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Granted: 1961-11-07
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Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Wilbur M Byerley
- 👤 Heinz J Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/20; F22B37/205; F22B37/206; F28; F28D; F28D7/00; F28D7/06; F28F; F28F9/00; F28F9/007; F28F9/013; F28F9/0132; F28F9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |