US2425649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing ring
Assignee: LOCOMOTIVE FINISHED MATERIAL C
•
Filing: 1944-10-31
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Granted: 1947-08-12
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Expires: 1964-10-31
Abstract
No abstract record available.
Inventors
- 👤 Charles C Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:44
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/12; F16J9/14; F16J9/145; F16J9/06; F16J9/061; F16J9/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1572443A
Cited
US2107301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |