US3753915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biological cleaning preparation
Assignee: Colgate Palmolive Co
•
Filing: 1971-04-16
•
Granted: 1973-08-21
•
Expires: 1991-04-16
Abstract
Abstract A BIOLOGICAL CLEANING PREPARATION CONTAINING A PROTEOLYTIC ENZYME AND A SALT OF AN ORRGANIC HYDROPEROXIDDE.
Inventors
- 👤 Y Demangeon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:02
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3945; C11D3/16; C11D3/38; C11D3/386; C11D3/38609
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) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |