Patent US1327777A successfully refreshed from Google Patents.
US2400472A
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Intermittent billet heating
Assignee: Budd Induction Heating Inc
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Filing: 1943-03-19
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Granted: 1946-05-14
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Expires: 1963-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold A Strickland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:56
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/34; C21D1/42; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S264/00; Y10S264/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-05-13 | 1949-11-12 | 1950-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-05-13 | 1953-11-12 | 1954-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-05-13 | 1957-11-12 | 1958-05-14 | $7700.00 | Window Closed / Lapsed |