Patent US631765A successfully refreshed from Google Patents.
US631765A
Expired / Lapsed
US
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Expander for bicycle-handle-bar stems.
Assignee: Individual
•
Filing: 1898-11-25
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Granted: 1899-08-22
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Expires: 1918-11-25
Abstract
No abstract record available.
Inventors
- 👤 Charles H Burk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:11
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/065; Y; Y10; Y10T; Y10T403/00; Y10T403/53; Y10T403/535
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) | 1902-08-22 | 1903-02-21 | 1903-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-08-22 | 1907-02-21 | 1907-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-08-22 | 1911-02-21 | 1911-08-23 | $7700.00 | Window Closed / Lapsed |