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US118880A
Expired / Lapsed
US
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Improvement in drain-pipe machines
Assignee: —
•
Filing: —
•
Granted: 1871-09-12
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Expires: 1888-09-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:03
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/28; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412
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) | 1874-09-11 | 1875-03-13 | 1875-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1878-09-11 | 1879-03-13 | 1879-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1882-09-11 | 1883-03-13 | 1883-09-12 | $7700.00 | Window Closed / Lapsed |