US647648A
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Assignee: MARY BERWICK CAPRON
•
Filing: 1898-07-12
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Granted: 1900-04-17
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Expires: 1918-07-12
Abstract
No abstract record available.
Inventors
- 👤 James D Capron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:37
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/44; B01D33/48; B01D33/06; B01D33/11
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) | 1903-04-17 | 1903-10-17 | 1904-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-04-17 | 1907-10-17 | 1908-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-04-17 | 1911-10-17 | 1912-04-17 | $7700.00 | Window Closed / Lapsed |