Patent US3537136A successfully refreshed from Google Patents.
US3537136A
Expired / Lapsed
US
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Apparatus for briquetting metal chips
Assignee: Prvni Brnenska Strojirna Zavody Klementa Gottwalda
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Filing: 1967-12-06
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Granted: 1970-11-03
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Expires: 1987-12-06
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Solc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:47
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/025; B30B15/00; B30B15/30; B30B15/302; B30B9/00; B30B9/32; B30B9/327
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1505613A
Cited
US1607389A
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US1860075A
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US1965670A
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US1849027A
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US2384163A
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US2367204A
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US2431095A
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US2738550A
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US3366368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |