US666450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of tubular structures.
Assignee: Individual
•
Filing: 1900-11-01
•
Granted: 1901-01-22
•
Expires: 1920-11-01
Abstract
No abstract record available.
Inventors
- 👤 John T Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:12
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/09; Y; Y10; Y10S; Y10S239/00; Y10S239/15; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668
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) | 1904-01-22 | 1904-07-23 | 1905-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-01-22 | 1908-07-23 | 1909-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-01-22 | 1912-07-23 | 1913-01-22 | $7700.00 | Window Closed / Lapsed |