US2680594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain guide
Assignee: Individual
•
Filing: 1951-12-14
•
Granted: 1954-06-08
•
Expires: 1971-12-14
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:37
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/18; B66D3/26; B66D3/04; B66D2700/00; B66D2700/02; B66D2700/026; B66D2700/028; F; F16; F16H; F16H7/00; F16H7/08; F16H2007/0863; F16H2007/0872; Y; Y10; Y10S; Y10S16/00; Y10S16/08
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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |