US912488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for connecting wheels and shafts.
Assignee: Symington Gould Co
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Filing: 1904-10-13
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Granted: 1909-02-16
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Expires: 1924-10-13
Abstract
No abstract record available.
Inventors
- 👤 Willard F Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:31
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D7/024; F16D7/025; F16D7/027; Y; Y10; Y10S; Y10S403/00; Y10S403/03; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7949
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) | 1912-02-16 | 1912-08-17 | 1913-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-02-16 | 1916-08-17 | 1917-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-02-16 | 1920-08-17 | 1921-02-16 | $7700.00 | Window Closed / Lapsed |