US2986386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transport roller for industrial furnaces
Assignee: Schmidt and Clemens GmbH and Co
•
Filing: 1957-05-22
•
Granted: 1961-05-30
•
Expires: 1977-05-22
Abstract
No abstract record available.
Inventors
- 👤 Trimborn Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:11
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/02; F27D3/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1834207A
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US1927634A
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US1843440A
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US1850617A
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US1922039A
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US1992467A
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US2059794A
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DE748157C
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US2202424A
Cited
US2788957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |