US2393213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting machine
Assignee: Willard Storage Battery Co
•
Filing: 1943-02-27
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Granted: 1946-01-15
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Expires: 1963-02-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:14
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0611; B22D21/00; B22D21/02; B22D21/027; B22D25/00; B22D25/02; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5184; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/305544; Y10T409/305656
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) | 1949-01-14 | 1949-07-16 | 1950-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-14 | 1953-07-16 | 1954-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-14 | 1957-07-16 | 1958-01-15 | $7700.00 | Window Closed / Lapsed |