Patent US3010177A successfully refreshed from Google Patents.
US3010177A
Expired / Lapsed
US
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Method of manufacturing porous refractory insulating materials
Assignee: Thomas Marshall & Co (loxley) Ltd
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Filing: 1957-12-02
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Granted: 1961-11-28
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Expires: 1977-12-02
Abstract
No abstract record available.
Inventors
- 👤 Thompson Arthur Herbert
- 👤 Littlewood Fred Wragg
- 👤 Marshall Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:40
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/02; C04B20/04; C04B20/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209170A
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US2670298A
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US2430601A
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US2630310A
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US2469081A
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US2543987A
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US2572484A
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US2619776A
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US2676892A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |