Patent US2932265A successfully refreshed from Google Patents.
US2932265A
Expired / Lapsed
US
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Refractory brick
Assignee: General Refractories Co
•
Filing: 1954-04-27
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Granted: 1960-04-12
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Expires: 1974-04-27
Abstract
No abstract record available.
Inventors
- 👤 Heuer Russell Pearce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:48
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/14; F27D1/145; F27D1/147; F27D1/148; F27D1/04; F27D1/06; F27D1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2158759A
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US2247376A
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US2659325A
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US2303544A
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US2317451A
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US2398622A
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US2547322A
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US2652793A
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US2626819A
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US2781066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |