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US2432224A
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Assignee: HERBERT A MINTURN
•
Filing: 1945-08-06
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Granted: 1947-12-09
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Expires: 1965-08-06
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Bradfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:04
CPC Classifications
F; F16; F16L; F16L41/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US598321A
Cited
US2338090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |