US2690004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing joints
Assignee: EDWARD VALVES Inc
•
Filing: 1949-09-14
•
Granted: 1954-09-28
•
Expires: 1969-09-14
Abstract
No abstract record available.
Inventors
- 👤 William F Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:45
CPC Classifications
B; B23; B23P; B23P11/00; F; F16; F16K; F16K1/00; F16K1/32; F16K1/48; F16K25/00; F16K25/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/49657; Y10T29/49659; Y10T29/4981; Y10T29/49826; Y10T29/4984
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US224541A
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US1316877A
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US1175288A
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FR459157A
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US1225887A
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US1343017A
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US1541216A
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US2476728A
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US2427203A
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US2462138A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |