US2432592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular connection
Assignee: Weatherhead Co
•
Filing: 1943-10-25
•
Granted: 1947-12-16
•
Expires: 1963-10-25
Abstract
No abstract record available.
Inventors
- 👤 Henry D Stecher
- 👤 Jerome L Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:43
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/1017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |