US1143655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a metallic structure.
Assignee: Individual
•
Filing: 1912-10-28
•
Granted: 1915-06-22
•
Expires: 1932-10-28
Abstract
No abstract record available.
Inventors
- 👤 William H Sommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:41
CPC Classifications
B; B21; B21D; B21D47/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/4962
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) | 1918-06-21 | 1918-12-21 | 1919-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-21 | 1922-12-21 | 1923-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-21 | 1926-12-21 | 1927-06-22 | $7700.00 | Window Closed / Lapsed |