Patent US5647231A successfully refreshed from Google Patents.
Patent US3684609A successfully refreshed from Google Patents.
US3684609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating pipe accouterments and the like
Assignee: Individual
•
Filing: 1971-01-11
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Granted: 1972-08-15
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Expires: 1991-01-11
Abstract
Abstract THIS PATENT DEALS WITH INSULATING WITH INSULATORS FORMED OF A PAIR OF BLANKS. EACH BLANK COMPRISES A RIGID OUTER SHELL WITH ONE OPEN FACE, AND INTERIORLY OF THE SHELL IS A BLOCK OR INSERT OF A NOVEL POLYURETHANE FOAM. THE BLANKS ARE USED FOR INSULATING PIPE ACCOUNTERMENTS SUCH AS VALVES, FLANGES, TRAPS, ETC. IN WHICH THE ACCOUNTERMENT BEING INSULATED ACTS AS A DIE FOR FORMING THE FOAM TO SUBSTANTIALLY CONFORM OF THE CONTOUR OF THE ACCOUNTERMENT.
Inventors
- 👤 Marvin Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:54
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/12; F16L; F16L59/00; F16L59/14; F16L59/16; F16L59/161; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1052; Y10T156/1062; Y10T156/1066; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24529; Y10T428/249921; Y10T428/249953; Y10T428/249975
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |