US390899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for corrugating wrought-metal tubes
Assignee: —
•
Filing: —
•
Granted: 1888-10-09
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Expires: 1905-10-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:20
CPC Classifications
B; B21; B21B; B21B13/00; B21B13/008
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) | 1891-10-09 | 1892-04-09 | 1892-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-10-09 | 1896-04-09 | 1896-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-10-09 | 1900-04-10 | 1900-10-10 | $7700.00 | Window Closed / Lapsed |