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US632794A
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Assignee: CHARLES WAUDBY PEARSON
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Filing: 1898-09-10
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Granted: 1899-09-12
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Expires: 1918-09-10
Abstract
No abstract record available.
Inventors
- 👤 Harry Spurrier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:40
CPC Classifications
C; C10; C10B; C10B7/00; C10B7/10
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) | 1902-09-12 | 1903-03-14 | 1903-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-09-12 | 1907-03-14 | 1907-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-09-12 | 1911-03-14 | 1911-09-13 | $7700.00 | Window Closed / Lapsed |