US3544365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning method
Assignee: Conversion Chemical Corp
•
Filing: 1968-11-20
•
Granted: 1970-12-01
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Expires: 1988-11-20
Abstract
No abstract record available.
Inventors
- 👤 Arline G Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:52
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/50; C11D7/5004; C11D7/5013; C11D17/00; C11D17/0008; C11D17/0017; C11D3/00; C11D3/50; C11D7/22; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02806; C23G5/06; C11D7/26; C11D7/265; C11D7/28; C11D7/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423343A
Cited
US2507985A
Cited
US3021235A
Cited
US3094469A
Cited
US3073323A
Cited
US3314892A
Cited
US3105779A
Cited
US3189552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |