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US652659A
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US
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Assignee: Individual
•
Filing: 1900-04-12
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Granted: 1900-06-26
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Expires: 1920-04-12
Abstract
No abstract record available.
Inventors
- 👤 Edwin Orlando Blackwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:36
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/46; E05C17/52; E05C17/54; Y; Y10; Y10T; Y10T292/00; Y10T292/71; Y10T292/73
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) | 1903-06-26 | 1903-12-26 | 1904-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-06-26 | 1907-12-26 | 1908-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-06-26 | 1911-12-26 | 1912-06-26 | $7700.00 | Window Closed / Lapsed |