US3454502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated carbon tablet
Assignee: Calgon Carbon Corp
•
Filing: 1966-04-27
•
Granted: 1969-07-08
•
Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 Aloysius X Hiltgen
- 👤 William H Matz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:38
CPC Classifications
B; B01; B01D; B01D15/00; C; C01; C01B; C01B32/00; C01B32/30; C01B32/354; C01B32/384; Y; Y10; Y10S; Y10S210/00; Y10S210/07; Y10S210/902; Y10S210/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A TABLET CONSISTING ESSENTIALLY OF 40 TO 80% ACTIVATED CARBON AND 60 TO 20% OF AN 8 TO 18 CARBON ATOM WATER SOLUBLE ALIPHATIC HYDROCARBON SULFONATE DETERGENT AS A BINDER THEREFOR.
Claim 2
Dependent Claim
31 words
A TABLET CONSISTING ESSENTIALLY OF 40 TO 80% ACTIVATED CARBON AND 60 TO 20% OF AN 8 TO 18 CARBON ATOM WATER SOLUBLE ALIPHATIC HYDROCARBON SULFONATE DETERGENT AS A BINDER THEREFOR.
References Cited (Backward Citations)
CA575241A
Cited
US2024981A
Cited
US2933455A
Cited
US2872336A
Cited
US3203754A
Cited
US3309166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |