US2483808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting machine
Assignee: Willard Storage Battery Co
•
Filing: 1944-08-09
•
Granted: 1949-10-04
•
Expires: 1964-08-09
Abstract
No abstract record available.
Inventors
- 👤 Benjamin S Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:56
CPC Classifications
B; B22; B22D; B22D25/00; B22D25/02; B22D25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1466129A
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US1166703A
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US1175729A
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US1274016A
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US1589984A
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US1713312A
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US1797684A
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US1956870A
Cited
US1948120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |