Patent JPH0241851A successfully refreshed from Google Patents.
Patent US1750093A successfully refreshed from Google Patents.
US1750093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bleaching textile fibers with alpha gaseous current such as ozonized air
Assignee: Individual
•
Filing: 1928-06-15
•
Granted: 1930-03-11
•
Expires: 1948-06-15
Abstract
No abstract record available.
Inventors
- 👤 Crespi Emilio
- 👤 Otto Marius Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:59
CPC Classifications
D; D06; D06B; D06B5/00
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) | 1933-03-10 | 1933-09-09 | 1934-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-10 | 1937-09-09 | 1938-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-10 | 1941-09-09 | 1942-03-11 | $7700.00 | Window Closed / Lapsed |