US3080183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joints for use in scientific glass apparatus
Assignee: Lurex Manufacturing Co
•
Filing: 1959-02-18
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Granted: 1963-03-05
•
Expires: 1979-02-18
Abstract
No abstract record available.
Inventors
- 👤 Paul R Luertzing
- 👤 Walter O Luertzing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:56
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/02; F16L37/025; F16K; F16K5/00; F16K5/02; F16K5/025; F16L49/00; F16L49/02; Y; Y10; Y10S; Y10S285/00; Y10S285/909; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A JOINT, WHICH COMPRISES AN OUTER GLASS MEMBER HAVING AN INTERNAL SURFACE OF REVOLUTION, AT LEAST A PORTION OF WHICH TAPERS IN DIAMETER FROM ONE TO THE OTHER, AN INNER GLAS MEMBER HAVING AN EXTERNAL SURFACE OF REVOLUTION, THE INNER MEMBER HAVING AN EXTERNAL SURFACE PORTION TAPERING IN DIAMETER FROM ONE END TO THE OTHER, THE INNER MEMBER LYING WITHIN THE INTERNAL SURFACE OF THE OUTER MEMBER WITH SURFACES OF THE TWO MEMBERS OPPOSED, AND A RIGID, SELF-SUPPORTING, PERIPHERALLY-CONTINUOUS SLEEVE OF A TOUGH, NON-STICKING, NON-VOLATILE, SYNTHETIC
Claim 2
Dependent Claim
86 words
A JOINT, WHICH COMPRISES AN OUTER GLASS MEMBER HAVING AN INTERNAL SURFACE OF REVOLUTION, AT LEAST A PORTION OF WHICH TAPERS IN DIAMETER FROM ONE TO THE OTHER, AN INNER GLAS MEMBER HAVING AN EXTERNAL SURFACE OF REVOLUTION, THE INNER MEMBER HAVING AN EXTERNAL SURFACE PORTION TAPERING IN DIAMETER FROM ONE END TO THE OTHER, THE INNER MEMBER LYING WITHIN THE INTERNAL SURFACE OF THE OUTER MEMBER WITH SURFACES OF THE TWO MEMBERS OPPOSED, AND A RIGID, SELF-SUPPORTING, PERIPHERALLY-CONTINUOUS SLEEVE OF A TOUGH, NON-STICKING, NON-VOLATILE, SYNTHETIC
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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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |