US2932207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain sprocket
Assignee: WHITNEY CHAIN Co
•
Filing: 1957-09-26
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Granted: 1960-04-12
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Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Lewis H Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:34
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/30; Y; Y10; Y10S; Y10S474/00; Y10S474/902; Y10S474/903; Y10T; Y10T403/00; Y10T403/70; Y10T403/7041; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19921; Y10T74/19926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |