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US3424482A
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US
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Pipe coupling clamp
Assignee: WS Dickey Clay Manufacturing Co
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Filing: 1968-01-22
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Granted: 1969-01-28
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Ligon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:51
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/12; F16L21/00; F16L21/002; F16L21/005; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2872141A
Cited
GB776837A
Cited
US3043612A
Cited
US3233922A
Cited
US3268654A
Cited
US3365218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |