US2807563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated pipe covering
Assignee: Individual
•
Filing: 1952-07-05
•
Granted: 1957-09-24
•
Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 Waite William
- 👤 Donald D Grassick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/02; F16L59/021; F16L59/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PIPE CONVERING UNIT COMPRISING A CORE OF INSULTATING MATERIAL HAVING A LONGITUDINAL OPENING THERETHROUGH ARRANGED TO RECEIVE THE PIPE, A CASING OF SHEET MATERIAL ENCLOSING SAID CORE AND HAVING A CORRUGATED CONFIGURATION, A MOUNTING MEMBER SECURED TO EACH END OF SAID CASING, A FLANGE ON EACH OF SAID MEMBERS ESTENDING LATERALLY OF SAID CASING AND HAVING A SURFACE IN CONFRONTING RELATION TO THE ADJACENT SERPENTINE END SURFACE OF THE CORRUGATED CASING, AND A GASKET OF DEFORMABLE MATERIAL DISPOSED IN COMPRESSED SEALING ENGAGEMENT BETWEEN EACH FLANGE AND THE ADJACENT SERPENTINE END SURFACE OF SAID CASING.
Claim 2
Dependent Claim
95 words
A PIPE CONVERING UNIT COMPRISING A CORE OF INSULTATING MATERIAL HAVING A LONGITUDINAL OPENING THERETHROUGH ARRANGED TO RECEIVE THE PIPE, A CASING OF SHEET MATERIAL ENCLOSING SAID CORE AND HAVING A CORRUGATED CONFIGURATION, A MOUNTING MEMBER SECURED TO EACH END OF SAID CASING, A FLANGE ON EACH OF SAID MEMBERS ESTENDING LATERALLY OF SAID CASING AND HAVING A SURFACE IN CONFRONTING RELATION TO THE ADJACENT SERPENTINE END SURFACE OF THE CORRUGATED CASING, AND A GASKET OF DEFORMABLE MATERIAL DISPOSED IN COMPRESSED SEALING ENGAGEMENT BETWEEN EACH FLANGE AND THE ADJACENT SERPENTINE END SURFACE OF SAID CASING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |