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US2630601A
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Die casting method for the manufacture of brushes
Assignee: Individual
•
Filing: 1951-07-30
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Granted: 1953-03-10
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Expires: 1971-07-30
Abstract
No abstract record available.
Inventors
- 👤 Schiffer Maximilian
- 👤 Schiffer Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:21
CPC Classifications
A; A46; A46D; A46D3/00; A46D3/005; A46B; A46B3/00; A46B3/04; B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14385; Y; Y10; Y10S; Y10S425/00; Y10S425/805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1010788A
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US1265808A
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US2317110A
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US2330369A
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US2303800A
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US2494777A
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US2471148A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |