Patent US2465373A successfully refreshed from Google Patents.
US2465373A
Expired / Lapsed
US
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Gastight articulated joint for hollow vessels
Assignee: International Standard Electric Corp
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Filing: 1945-01-01
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Granted: 1949-03-29
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Expires: 1965-01-01
Abstract
No abstract record available.
Inventors
- 👤 Hall Roger Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:20
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/02; F16L27/04; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/30; H01J2893/00; H01J2893/0033; H01J2893/0047
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) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |