US2451053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveying mechanism for billet heating furnaces
Assignee: Siemens Industry Inc
•
Filing: 1945-06-15
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Granted: 1948-10-12
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Expires: 1965-06-15
Abstract
No abstract record available.
Inventors
- 👤 David P Anderson
- 👤 Jr Strickland Kneass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:11
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/2407; C; C21; C21D; C21D9/00; C21D9/0081; F27B9/02; F27B9/021; F27B9/025; F27B9/2415; F27D; F27D3/00; F27D3/02; F27D3/026
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) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |