Patent US2613088A successfully refreshed from Google Patents.
US2613088A
Expired / Lapsed
US
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Pipe joint
Assignee: WILLIAM F BARRETT
•
Filing: 1946-08-15
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Granted: 1952-10-07
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Expires: 1966-08-15
Abstract
No abstract record available.
Inventors
- 👤 George J Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:08
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/12; F16L13/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1290205A
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US1452077A
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US1510483A
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US1560931A
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US1722324A
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US2180695A
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US2156604A
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US2206405A
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US2234643A
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US2462348A
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US2449731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |