US2631472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slack adjusting mechanism
Assignee: JOHN G HUNTLEY
•
Filing: 1949-11-16
•
Granted: 1953-03-17
•
Expires: 1969-11-16
Abstract
No abstract record available.
Inventors
- 👤 Kirkland B Macdougall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:38
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/60; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US907053A
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US1501605A
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US2015881A
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US2156154A
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US2379796A
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US2347186A
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US2385621A
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US2385622A
Cited
US2481319A
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US2522903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |