US3270769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum insulating system for jacketed piping systems
Assignee: Individual
•
Filing: 1965-03-30
•
Granted: 1966-09-06
•
Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Edward W Kaiser
- 👤 Edward B Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:09
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/06; F16L59/065; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A JACKETED PIPING SYSTEM COMRISING IN COMBINATION A CASING LINE AND A MATTER TRANSPORTING PIPE LINE SUPPORTED WITHIN THE CASING LINE IN SPACED RELATION TO THE WALLS THEREOF FORMING A FLOW WAY BETWEEN THE CASING LINE AND THE MATTER TRANSPORTING PIPE LINE THROUGHOUT THEIR LENGTHS, THE FLOW WAY BEING DIVIDED INTO SEPARATE COMPARTMENTS THROUGHOUT ITS LENGTH: (A) A VACUUM PIPE LINE WITHIN AND DISPOSED LONGITUDINALLY OF THE CASING LINE; (B) BRANCH PIPES EXTENDED FROM THE VACUUM PIPE LINE AT INTERVALS THRORUGHOUT ITS LENGTH CONNECTED TO AND SELECTIVELY COMMUNICABLE WITH ADJACENT COMPARTMENTS OF SAID FLOW WAY; (C) VACUUM CREATING MEANS CONNECTED TO THE CASTING LINE COMMUNICATING WITH SAID FLOW WAY; AND (D) MEANS POSITIONED BETWEEN THE VACUUM CREATING MEANS AND THE VACUUM PIPE LINE COMMUNICATING THEREWITH AND OPERABLE TO MAINTAIN A VACUUM OF PREDETERMINED DEGREE IN AND THROUGHOUT THE VACUUM PIPE LINE.
Claim 2
Dependent Claim
141 words
A JACKETED PIPING SYSTEM COMRISING IN COMBINATION A CASING LINE AND A MATTER TRANSPORTING PIPE LINE SUPPORTED WITHIN THE CASING LINE IN SPACED RELATION TO THE WALLS THEREOF FORMING A FLOW WAY BETWEEN THE CASING LINE AND THE MATTER TRANSPORTING PIPE LINE THROUGHOUT THEIR LENGTHS, THE FLOW WAY BEING DIVIDED INTO SEPARATE COMPARTMENTS THROUGHOUT ITS LENGTH: (A) A VACUUM PIPE LINE WITHIN AND DISPOSED LONGITUDINALLY OF THE CASING LINE; (B) BRANCH PIPES EXTENDED FROM THE VACUUM PIPE LINE AT INTERVALS THRORUGHOUT ITS LENGTH CONNECTED TO AND SELECTIVELY COMMUNICABLE WITH ADJACENT COMPARTMENTS OF SAID FLOW WAY; (C) VACUUM CREATING MEANS CONNECTED TO THE CASTING LINE COMMUNICATING WITH SAID FLOW WAY; AND (D) MEANS POSITIONED BETWEEN THE VACUUM CREATING MEANS AND THE VACUUM PIPE LINE COMMUNICATING THEREWITH AND OPERABLE TO MAINTAIN A VACUUM OF PREDETERMINED DEGREE IN AND THROUGHOUT THE VACUUM PIPE LINE.
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |