US2417504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable tension regulator
Assignee: Weatherhead Co
•
Filing: 1944-05-11
•
Granted: 1947-03-18
•
Expires: 1964-05-11
Abstract
No abstract record available.
Inventors
- 👤 Harold J Knaggs
- 👤 George H Hufferd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US564351A
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CH177010A
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US2196337A
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US2196436A
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US2365247A
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US2314404A
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US2323352A
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US2369007A
Cited
US2375050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |