Patent US2573366A successfully refreshed from Google Patents.
US2573366A
Expired / Lapsed
US
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Means of sealing pipe joints
Assignee: Individual
•
Filing: 1948-11-10
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Granted: 1951-10-30
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Expires: 1968-11-10
Abstract
No abstract record available.
Inventors
- 👤 Walter H Scholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/10; F16L13/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US572901A
Cited
US1237003A
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US1462077A
Cited
US1800085A
Cited
US1823974A
Cited
GB360146A
Cited
US2055885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |