US3401736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for formation of non-abrasive refractory rubbing surface having high thermal conductivity by casting
Assignee: Bridgestone Cycle Co Ltd
•
Filing: 1964-05-26
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Granted: 1968-09-17
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Expires: 1984-05-26
Abstract
No abstract record available.
Inventors
- 👤 Imagawa Tameichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:30
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/10; B; B22; B22D; B22D19/00; B22D19/0009; C; C23; C23C; C23C4/00; C23C4/04; C23C4/06; C23C4/067; C23C4/18; C23C4/185; F16D69/00; F16D69/02; F16D69/027; F16D2065/13; F16D2065/1304; F16D2065/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA621055A
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GB189612552A
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US1561287A
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US2281634A
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US2390805A
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US2629907A
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US3099869A
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US2903375A
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US3083424A
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US3186678A
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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) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |