US776737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of manufacturing screw-threaded pipes, tubes, or rods.
Assignee: Individual
•
Filing: 1904-01-23
•
Granted: 1904-12-06
•
Expires: 1924-01-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin T Greenfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/23; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49881
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1907-12-06 | 1908-06-06 | 1908-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-12-06 | 1912-06-06 | 1912-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-12-06 | 1916-06-06 | 1916-12-06 | $7700.00 | Window Closed / Lapsed |