Patent US2596484A successfully refreshed from Google Patents.
US2596484A
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Assignee: Weatherhead Co
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Filing: 1949-08-16
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Granted: 1952-05-13
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Expires: 1969-08-16
Abstract
No abstract record available.
Inventors
- 👤 Hunziker Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:00
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; B23B31/162; B23B31/16204; B23B31/34; Y; Y10; Y10T; Y10T279/00; Y10T279/13; Y10T408/00; Y10T408/55; Y10T408/563; Y10T408/5633; Y10T408/56337; Y10T74/00; Y10T74/14; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/19; Y10T74/1987; Y10T74/19879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2362146A
Cited
US1801602A
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US2349119A
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US2362072A
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US2477773A
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US2469198A
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US2480715A
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US2502260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |