US470738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strake-weld pipe
Assignee: —
•
Filing: —
•
Granted: 1892-03-15
•
Expires: 1909-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/14; F16L11/16; Y; Y10; Y10S; Y10S122/00; Y10S122/16; Y10S220/00; Y10S220/29
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) | 1895-03-15 | 1895-09-14 | 1896-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-03-15 | 1899-09-14 | 1900-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-03-16 | 1903-09-15 | 1904-03-16 | $7700.00 | Window Closed / Lapsed |