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Patent US2691330A successfully refreshed from Google Patents.
US2691330A
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US
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Antislip plate and method of making the same
Assignee: ThyssenKrupp Budd Co
•
Filing: 1950-07-19
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Granted: 1954-10-12
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Expires: 1970-07-19
Abstract
No abstract record available.
Inventors
- 👤 Ii Herbert D Van Sciver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:30
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/06; Y; Y10; Y10S; Y10S148/00; Y10S148/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 0
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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) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |