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Patent US2425934A successfully refreshed from Google Patents.
US2425934A
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Construction for pipe-line fittings
Assignee: Individual
•
Filing: 1944-07-19
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Granted: 1947-08-19
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Expires: 1964-07-19
Abstract
No abstract record available.
Inventors
- 👤 Leland S Hamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:10
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; F16K3/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US213142A
Cited
US639198A
Cited
US1631264A
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US2039912A
Cited
US2214959A
Cited
US2309304A
Cited
US2271138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-18 | 1951-02-17 | 1951-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-18 | 1955-02-17 | 1955-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-18 | 1959-02-17 | 1959-08-19 | $7700.00 | Window Closed / Lapsed |