US1244525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing paper-pulp.
Assignee: Individual
•
Filing: 1917-08-02
•
Granted: 1917-10-30
•
Expires: 1937-08-02
Abstract
No abstract record available.
Inventors
- 👤 Tsuneya Marusawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:15
CPC Classifications
D; D21; D21C; D21C3/00; D21C3/04; D21C3/06; Y; Y10; Y10S; Y10S162/00; Y10S162/05
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) | 1920-10-29 | 1921-04-30 | 1921-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-10-29 | 1925-04-30 | 1925-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-10-29 | 1929-04-30 | 1929-10-30 | $7700.00 | Window Closed / Lapsed |