Patent US2483996A successfully refreshed from Google Patents.
US2483996A
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Method of reconditioning backing members having powdered material facings
Assignee: SK Wellman Corp
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Filing: 1944-06-02
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Granted: 1949-10-04
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Expires: 1964-06-02
Abstract
No abstract record available.
Inventors
- 👤 Marinis Frank De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:16
CPC Classifications
C; C25; C25D; C25D7/00; C23; C23F; C23F1/00; C23F1/44; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1818379A
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US2316579A
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US2284743A
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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) | 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 |