US2464574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holder for use in reclaiming broken cutting tools
Assignee: Pennsylvania Railroad Co
•
Filing: 1945-12-27
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Granted: 1949-03-15
•
Expires: 1965-12-27
Abstract
No abstract record available.
Inventors
- 👤 Hengstler John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:57
CPC Classifications
B; B23; B23K; B23K31/00; B23K31/02; B23K31/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US552951A
Cited
US2381584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |