US2423848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
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Filing: 1945-05-15
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Granted: 1947-07-15
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Expires: 1965-05-15
Abstract
No abstract record available.
Inventors
- 👤 Harry W O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:51
CPC Classifications
B; B23; B23K; B23K5/00; B23K5/22; F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18
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) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |