US2789480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated structure
Assignee: Rexnord Industries LLC
•
Filing: 1952-03-18
•
Granted: 1957-04-23
•
Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Edward J Wellauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:10
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/015; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T428/00; Y10T428/24; Y10T428/24744; Y10T82/00; Y10T82/25; Y10T82/2566
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US133262A
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US480127A
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DE319585C
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US1492545A
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US1761037A
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US1930285A
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US2070306A
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US2116020A
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US2240765A
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US2534501A
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US2621552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |