US3011775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil spring coupling and articles made from coil springs
Assignee: Individual
•
Filing: 1958-03-31
•
Granted: 1961-12-05
•
Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Norman A Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:10
CPC Classifications
F; F16; F16G; F16G1/00; F16G1/18; F16F; F16F1/00; F16F1/02; F16F1/04; F16F1/042; F16F1/12; F16F1/123; Y; Y10; Y10S; Y10S74/00; Y10S74/10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128; Y10T74/18136; Y10T74/18232; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US587794A
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US809880A
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US692960A
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US758066A
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US973238A
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FR559788A
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US2086321A
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FR1013447A
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US2761297A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |