US802657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing a filling material.
Assignee: Solvay Process Co
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Filing: 1904-06-08
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Granted: 1905-10-24
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Expires: 1924-06-08
Abstract
No abstract record available.
Inventors
- 👤 John D Pennock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:01
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/02; C09C1/021; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62
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) | 1908-10-23 | 1909-04-24 | 1909-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-10-23 | 1913-04-24 | 1913-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-10-23 | 1917-04-24 | 1917-10-24 | $7700.00 | Window Closed / Lapsed |