Patent US2707003A successfully refreshed from Google Patents.
US2707003A
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Pipe sections with moulded spigots
Assignee: Lock Joint Pipe Co
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Filing: 1949-07-15
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Granted: 1955-04-26
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Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
- 👤 Hugh F Kennison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:24
CPC Classifications
F; F16; F16L; F16L25/00; F16L25/0027; F16L9/00; F16L9/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1133313A
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US1357311A
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US1951512A
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US2325469A
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US2234643A
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US2566689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |