US1337023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welded joint and method of welding
Assignee: Individual
•
Filing: 1918-12-09
•
Granted: 1920-04-13
•
Expires: 1938-12-09
Abstract
No abstract record available.
Inventors
- 👤 Patterson Lewis Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:29
CPC Classifications
B; B23; B23K; B23K33/00; B23K33/004
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) | 1923-04-13 | 1923-10-13 | 1924-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-04-13 | 1927-10-13 | 1928-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-04-13 | 1931-10-13 | 1932-04-13 | $7700.00 | Window Closed / Lapsed |