US2746416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: REX METAL CRAFT Inc
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Filing: 1954-06-23
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Granted: 1956-05-22
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Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Richard H Aufderheide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:54
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/28; G; G01; G01P; G01P13/00; G01P13/0006; G01P13/0026; Y; Y10; Y10S; Y10S55/00; Y10S55/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2172399A
Cited
US2489512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |