Patent US4769881A successfully refreshed from Google Patents.
US481957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for holding open grain and other sacks for filling same
Assignee: —
•
Filing: —
•
Granted: 1892-09-06
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Expires: 1909-09-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
B; B65; B65B; B65B67/00; B65B67/12
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) | 1895-09-06 | 1896-03-07 | 1896-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-09-06 | 1900-03-08 | 1900-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-09-07 | 1904-03-08 | 1904-09-07 | $7700.00 | Window Closed / Lapsed |