US3606218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound and vibration isolation support
Assignee: General Dynamics Corp
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Filing: 1969-03-21
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Granted: 1971-09-20
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Expires: 1989-03-21
Abstract
Abstract IN THE PARTICULAR EMBODIMENT OF THE INVENTION DESCRIBED HEREIN, A PIPE HANGER COMPRISES A METAL STRAP, WITH A PLURALITY OF STRIPS OF RESILIENT MATERIAL ATTACHED TO THE INNER SURFACE OF THE STRAP, THE STRAP AND THE RESILIENT STRIPS BEING ENCAPSULATED BY A COATING OF ELASTOMERIC MATERIAL.
Inventors
- 👤 Helmer L F Enlund
- 👤 Enos V Stanhope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:46
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/10; F16L3/1091; F16L55/00; F16L55/02; F16L55/033; F16L55/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |