Patent US2742760A successfully refreshed from Google Patents.
Patent US2433333A successfully refreshed from Google Patents.
Patent US3191632A successfully refreshed from Google Patents.
US3191632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe jacket
Assignee: Keiding Paper Products Co
•
Filing: 1962-01-29
•
Granted: 1965-06-29
•
Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Keiding Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:31
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/021; F16L59/022; F16L59/023; F16L59/14; F16L59/16; F16L59/161; F16L59/163; F16L59/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AS A NEW ARTICLE OF MANUFACTURE, A PIPE INSULATING MEMBER HAVING AN INTERIOR SURFACE IN THE FORM OF A CHANNEL OF SEMI-ELLIPTICAL CROSS SECTION AND HAVING SUBSTANTIALLY OPPOSED SURFACES AT A LESSER SPACING THEN THE DIAMETER OF A PIPE TO BE RECEIVED THEREBETWEEN, THE INSULATING MEMBER HAVING SUFFICIENT RESILIENCE BETWEEN SAID SURFACES TO PERMIT THE SEPARATION OF SAID SURFACES TO RECEIVE A PIPE AND THE CLAMPING ENGAGEMENT THEREOF UPON A PIPE.
Claim 2
Dependent Claim
71 words
AS A NEW ARTICLE OF MANUFACTURE, A PIPE INSULATING MEMBER HAVING AN INTERIOR SURFACE IN THE FORM OF A CHANNEL OF SEMI-ELLIPTICAL CROSS SECTION AND HAVING SUBSTANTIALLY OPPOSED SURFACES AT A LESSER SPACING THEN THE DIAMETER OF A PIPE TO BE RECEIVED THEREBETWEEN, THE INSULATING MEMBER HAVING SUFFICIENT RESILIENCE BETWEEN SAID SURFACES TO PERMIT THE SEPARATION OF SAID SURFACES TO RECEIVE A PIPE AND THE CLAMPING ENGAGEMENT THEREOF UPON A PIPE.
References Cited (Backward Citations)
DE82909C
Cited
US1029652A
Cited
US2778759A
Cited
US2778405A
Cited
US2857931A
Cited
US3058860A
Cited
GB851585A
Cited
US3095337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |