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US2812533A
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Assignee: Wright Products Inc
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Filing: 1953-12-21
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Granted: 1957-11-12
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Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Falk Harold Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:29
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/02; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE81344C
Cited
GB189519136A
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US656543A
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US1550253A
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US1675980A
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US1963687A
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US2060847A
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US2507267A
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US2646589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |