Patent US4208500A successfully refreshed from Google Patents.
US2098808A
Expired / Lapsed
US
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Sizing machine for battery grid plates
Assignee: Individual
•
Filing: 1935-12-23
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Granted: 1937-11-09
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Expires: 1955-12-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur D Lund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:15
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/13; Y; Y10; Y10T; Y10T29/00; Y10T29/10; Y10T409/00; Y10T409/30; Y10T409/304536; Y10T409/30532; Y10T409/30868; Y10T409/309016; Y10T409/309072
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) | 1940-11-08 | 1941-05-10 | 1941-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-08 | 1945-05-10 | 1945-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-08 | 1949-05-10 | 1949-11-09 | $7700.00 | Window Closed / Lapsed |