Patent US6350732B1 successfully refreshed from Google Patents.
US182341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in paper-bag machines
Assignee: —
•
Filing: —
•
Granted: 1876-09-19
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Expires: 1893-09-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:36
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/14; B31B70/16; B31B2155/00; B31B2160/00; B31B2160/10
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) | 1879-09-19 | 1880-03-20 | 1880-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-09-19 | 1884-03-20 | 1884-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-09-19 | 1888-03-20 | 1888-09-19 | $7700.00 | Window Closed / Lapsed |