US2548914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color and stain removers for
Assignee: —
•
Filing: —
•
Granted: 1951-04-17
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Expires: 1968-04-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:18
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/62; C11D1/66; C11D1/72; C11D3/00; C11D3/02; C11D3/04; C11D3/046; C11D3/16; C11D3/26; C11D3/30; C11D3/40; D; D06; D06L; D06L1/00; D06L1/12; C11D2111/00; C11D2111/10; C11D2111/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |