US3255646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling a tubular wall structure
Assignee: Individual
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Filing: 1965-02-18
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Granted: 1966-06-14
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Joe R Urschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:32
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/06; B26D7/0691; B23; B23P; B23P15/00; B23P15/28; B23P15/40; B26D1/00; B26D1/01; B26D1/02; B26D1/03; B26D3/00; B26D3/18; B26D3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF PERMANENTLY JOINING A PLURALITY OF PLANAR SUPERIMPOSED DOUBLE APERTURED MEMBERS TOGETHER, WHICH COMPRISES INSERTING A ROD THROUGH ONE OF THE APERTURES IN EACH OF SEVERAL MEMBERS TO PROVIDE A STACK THEREOF, INSERTING A SLUG OF BRAZING MATERIAL THROUGH THE OTHER OF THE APERTURES IN SAID SEGMENTS, SECURING THE MEMBERS IN A PRESSED CONDITION, AND THE HEATING THE STACK FOR A PREDETERMINED PERIOD SO THAT THE BRAZING MATERIAL WILL FLOW BETWEEN THE MEMBERS AND BOUND SAID MEMBERS UPON COOLING.
Claim 2
Independent Claim
81 words
A METHOD OF PERMANENTLY JOINING A PLURALITY OF PLANAR SUPERIMPOSED DOUBLE APERTURED MEMBERS TOGETHER, WHICH COMPRISES INSERTING A ROD THROUGH ONE OF THE APERTURES IN EACH OF SEVERAL MEMBERS TO PROVIDE A STACK THEREOF, INSERTING A SLUG OF BRAZING MATERIAL THROUGH THE OTHER OF THE APERTURES IN SAID SEGMENTS, SECURING THE MEMBERS IN A PRESSED CONDITION, AND THE HEATING THE STACK FOR A PREDETERMINED PERIOD SO THAT THE BRAZING MATERIAL WILL FLOW BETWEEN THE MEMBERS AND BOUND SAID MEMBERS UPON COOLING.
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |