US1226735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink-removing and bleaching compound.
Assignee: Individual
•
Filing: 1916-06-29
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Granted: 1917-05-22
•
Expires: 1936-06-29
Abstract
No abstract record available.
Inventors
- 👤 Isabella J Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:04
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2093; D; D21; D21C; D21C5/00; D21C5/02; D21C5/025; D21C5/027
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) | 1920-05-21 | 1920-11-20 | 1921-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-05-21 | 1924-11-20 | 1925-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-05-21 | 1928-11-20 | 1929-05-22 | $7700.00 | Window Closed / Lapsed |