Patent US201083A successfully refreshed from Google Patents.
US201083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in the manufacture of paper-pulp from wood
Assignee: —
•
Filing: —
•
Granted: 1878-03-12
•
Expires: 1895-03-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:09
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/20; D21D1/30; B; B02; B02C; B02C18/00; B02C18/06; B02C18/16; B02C18/22; B02C18/2225; B02C18/2283
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1881-03-11 | 1881-09-10 | 1882-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-03-11 | 1885-09-10 | 1886-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-03-11 | 1889-09-10 | 1890-03-12 | $7700.00 | Window Closed / Lapsed |