US528167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for hollow rods or pipes
Assignee: —
•
Filing: —
•
Granted: 1894-10-30
•
Expires: 1911-10-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:44
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/147; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17931; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994
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) | 1897-10-29 | 1898-04-30 | 1898-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1901-10-30 | 1902-05-01 | 1902-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1905-10-30 | 1906-05-01 | 1906-10-31 | $7700.00 | Window Closed / Lapsed |