US2452458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hub structure
Assignee: Worthington Pump and Machinery Corp
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Filing: 1945-05-23
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Granted: 1948-10-26
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Expires: 1965-05-23
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:45
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/095; F16D1/096; F16H; F16H57/00; F16H57/0018; F16H57/0025; F16H55/00; F16H55/32; F16H55/36; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49453; Y10T29/49455; Y10T403/00; Y10T403/70; Y10T403/7018; Y10T403/7021
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) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |