US1466499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp bleacher
Assignee: Individual
•
Filing: 1922-06-17
•
Granted: 1923-08-28
•
Expires: 1942-06-17
Abstract
No abstract record available.
Inventors
- 👤 Philip K Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:45
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/09; B01F27/091; B01F27/80; B01F27/92; B01F27/921; B01F27/9211; D; D21; D21C; D21C9/00; D21C9/10
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) | 1926-08-27 | 1927-02-26 | 1927-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-08-27 | 1931-02-26 | 1931-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-08-27 | 1935-02-26 | 1935-08-28 | $7700.00 | Window Closed / Lapsed |