Patent US771637A successfully refreshed from Google Patents.
US771637A
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US
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Universal joint or coupling for shafting, &c.
Assignee: Individual
•
Filing: 1903-10-05
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Granted: 1904-10-04
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Expires: 1923-10-05
Abstract
No abstract record available.
Inventors
- 👤 Ernst Gustav Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:14
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/382; F16D3/385; F16D3/40; F16D3/41; F16C2361/00; F16C2361/41; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32041
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) | 1907-10-04 | 1908-04-04 | 1908-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-10-04 | 1912-04-04 | 1912-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-10-04 | 1916-04-04 | 1916-10-04 | $7700.00 | Window Closed / Lapsed |