US1132052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making welded rail-joints.
Assignee: Individual
•
Filing: 1913-08-23
•
Granted: 1915-03-16
•
Expires: 1933-08-23
Abstract
No abstract record available.
Inventors
- 👤 John Wattmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:25
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/30767; B; B23; B23P; B23P11/00; B23P11/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863
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) | 1918-03-15 | 1918-09-14 | 1919-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-03-15 | 1922-09-14 | 1923-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-03-15 | 1926-09-14 | 1927-03-16 | $7700.00 | Window Closed / Lapsed |