US1515355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded pipe-line joint and method of making the same
Assignee: American Foundry & Constructio
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Filing: 1921-01-26
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Granted: 1924-11-11
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Expires: 1941-01-26
Abstract
No abstract record available.
Inventors
- 👤 Mitchell Harbour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:21
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/02; F16L13/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T428/00; Y10T428/12; Y10T428/12451
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) | 1927-11-11 | 1928-05-12 | 1928-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-11-11 | 1932-05-12 | 1932-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-11-11 | 1936-05-12 | 1936-11-11 | $7700.00 | Window Closed / Lapsed |