US2984807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-resistant high-temperature bodies for metal vaporizing heaters and other applications
Assignee: Borolite Corp
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Filing: 1960-03-23
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Granted: 1961-05-16
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Blum Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:13
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/10; C22C1/1036; C22C1/1042; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/5805; C04B35/58064; C04B35/58071; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C22B; C22B1/00; C22B1/02; C22B1/10; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/26; H; H01; H01B; H01B1/00; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/66; C04B2235/666
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190618485A
Cited
GB191209941A
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US2145690A
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US2412376A
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US2546142A
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US2678870A
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US2745928A
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US2730986A
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US2802748A
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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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |