US77173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in eollees foe deawing-maohines
Assignee: —
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Filing: —
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Granted: 1868-04-28
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Expires: 1885-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:25
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B65; B65H; B65H57/00; B65H57/14; B29L; B29L2031/00; B29L2031/32; B29L2031/324
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) | 1871-04-28 | 1871-10-28 | 1872-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1875-04-28 | 1875-10-28 | 1876-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1879-04-28 | 1879-10-28 | 1880-04-28 | $7700.00 | Window Closed / Lapsed |