Patent US172039A successfully refreshed from Google Patents.
US172039A
Expired / Lapsed
US
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Improvement in grain-bags
Assignee: —
•
Filing: —
•
Granted: 1876-01-11
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Expires: 1893-01-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:36
CPC Classifications
A; A61; A61F; A61F7/00; A61F7/08; A61F7/086
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) | 1879-01-10 | 1879-07-12 | 1880-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-01-10 | 1883-07-12 | 1884-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-01-10 | 1887-07-12 | 1888-01-11 | $7700.00 | Window Closed / Lapsed |