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US1347721A
Expired / Lapsed
US
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Hat-bleaching composition
Assignee: Individual
•
Filing: 1920-05-26
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Granted: 1920-07-27
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Expires: 1940-05-26
Abstract
No abstract record available.
Inventors
- 👤 Emanuel J Stratigos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:00
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/02; C11D7/20; C11D7/22; C11D7/26; C11D7/265; C11D7/40; C11D7/44; C11D7/46
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) | 1923-07-27 | 1924-01-26 | 1924-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-07-27 | 1928-01-26 | 1928-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-07-27 | 1932-01-26 | 1932-07-27 | $7700.00 | Window Closed / Lapsed |