Patent US3487871A successfully refreshed from Google Patents.
US3487871A
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Method of joining conveyer belts having steel cords embedded therein
Assignee: MITSUBASHI BELT KK
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Filing: 1966-09-07
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Granted: 1970-01-06
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Expires: 1986-09-07
Abstract
No abstract record available.
Inventors
- 👤 Hisao Kanamori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:46
CPC Classifications
F; F16; F16G; F16G3/00; F16G3/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1079; Y10T24/00; Y10T24/16; Y10T24/1664
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1735686A
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US2182169A
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US3234611A
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GB977226A
Cited
US3300826A
Cited
US3351508A
Cited
GB1048783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |