Patent US3136828A successfully refreshed from Google Patents.
US3136828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid distribution means
Assignee: Hercules Powder Co
•
Filing: 1960-12-22
•
Granted: 1964-06-09
•
Expires: 1980-12-22
Abstract
No abstract record available.
Inventors
- 👤 Owen W Rideout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:21
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/14; B01D53/18; B01D53/185; B01D3/00; B01D3/008; B01J; B01J8/00; B01J8/02; B01J8/0278; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30223; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A PLACKED COLUMN HAVING A PACKED SECTION, MEANS FOR UNIFORMLY DISTRIBUTING LIQUID OVER SAID PACKED SECTION COMPRISING A CUP POSITIONED CENTRALLY OF THE COLUMN, MEANS FOR SUPPLYING LIQUID TO SAID CUP, MEANS MOUNTING THE CUP FOR ROTATION ABOUT THE VERTICAL AXIS OF THE COLUMN, HOLLOW ARMS SECURED TO THE CUP FOR ROTATION THEREWITH AND EXTENDING OUTWARDLY THEREFROM OVER THE PACKING, SAID HOLLOW ARMS COMMUNICATING WITH SAID CUP FOR RE-
Claim 2
Dependent Claim
70 words
IN A PLACKED COLUMN HAVING A PACKED SECTION, MEANS FOR UNIFORMLY DISTRIBUTING LIQUID OVER SAID PACKED SECTION COMPRISING A CUP POSITIONED CENTRALLY OF THE COLUMN, MEANS FOR SUPPLYING LIQUID TO SAID CUP, MEANS MOUNTING THE CUP FOR ROTATION ABOUT THE VERTICAL AXIS OF THE COLUMN, HOLLOW ARMS SECURED TO THE CUP FOR ROTATION THEREWITH AND EXTENDING OUTWARDLY THEREFROM OVER THE PACKING, SAID HOLLOW ARMS COMMUNICATING WITH SAID CUP FOR RE-
References Cited (Backward Citations)
US1847763A
Cited
US2797429A
Cited
GB726151A
Cited
US2859064A
Cited
US2919861A
Cited
US2988287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |