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US2089790A
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Method of forming a rolled joint
Assignee: Texaco Inc
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Filing: 1935-07-24
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Granted: 1937-08-10
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Expires: 1955-07-24
Abstract
No abstract record available.
Inventors
- 👤 Halpern Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:02
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/16; F16L13/166; B; B21; B21D; B21D39/00; B21D39/04; B21D39/06; Y; Y10; Y10S; Y10S29/00; Y10S29/032; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49771; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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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) | 1940-08-09 | 1941-02-08 | 1941-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-09 | 1945-02-08 | 1945-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-09 | 1949-02-08 | 1949-08-10 | $7700.00 | Window Closed / Lapsed |