US2476656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Threaded tubular structure
Assignee: Individual
•
Filing: 1945-12-04
•
Granted: 1949-07-19
•
Expires: 1965-12-04
Abstract
No abstract record available.
Inventors
- 👤 Galbraith Alexander William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:16
CPC Classifications
B; B21; B21D; B21D15/00; B21D15/04; Y; Y10; Y10S; Y10S285/00; Y10S285/916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US613903A
Cited
US1365884A
Cited
US1465848A
Cited
US1733455A
Cited
US2025973A
Cited
US2137797A
Cited
US2145587A
Cited
US2261056A
Cited
US2390533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |