US642375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: JULIAN C DOWELL
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Filing: 1899-09-23
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Granted: 1900-01-30
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Expires: 1919-09-23
Abstract
No abstract record available.
Inventors
- 👤 Edward Percy Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081
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) | 1903-01-30 | 1903-08-01 | 1904-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-01-30 | 1907-08-01 | 1908-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-01-30 | 1911-08-01 | 1912-01-31 | $7700.00 | Window Closed / Lapsed |