Patent US2410417A successfully refreshed from Google Patents.
US2210432A
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US
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Eraser
Assignee: Eraser Co Inc
•
Filing: 1937-11-22
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Granted: 1940-08-06
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Expires: 1957-11-22
Abstract
No abstract record available.
Inventors
- 👤 Roesch Rudolph George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:41
CPC Classifications
B; B43; B43L; B43L19/00; B43L19/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4989; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49931
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) | 1943-08-06 | 1944-02-05 | 1944-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-06 | 1948-02-05 | 1948-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-06 | 1952-02-05 | 1952-08-06 | $7700.00 | Window Closed / Lapsed |