Patent US98035A successfully refreshed from Google Patents.
US98035A
Expired / Lapsed
US
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Improved malaxator for the preparation of plastic materials for artificial stone
Assignee: —
•
Filing: —
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Granted: 1869-12-21
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Expires: 1886-12-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:01
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/40; B29C48/402; B29C48/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1872-12-20 | 1873-06-21 | 1873-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-12-20 | 1877-06-21 | 1877-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-12-20 | 1881-06-21 | 1881-12-21 | $7700.00 | Window Closed / Lapsed |