US3006807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slimicide
Assignee: Shell USA Inc
•
Filing: 1959-04-20
•
Granted: 1961-10-31
•
Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Legator Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:04
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; A; A01; A01N; A01N35/00; A01N35/02; C11; C11D; C11D1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
IN THE PREPARATION OF PAPER, THE IMPROVEMENT COMPRISING ADDING TO WATER EMPLOYED IN SAID PREPARATION A COMPOUND HAVING THE FORMULA
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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |