Patent US5381471A successfully refreshed from Google Patents.
US3333835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling towers
Assignee: MC ACQUISITION Corp
•
Filing: 1965-11-26
•
Granted: 1967-08-01
•
Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Flon James G De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:42
CPC Classifications
F; F28; F28C; F28C1/00; F28C1/04; F28F; F28F25/00; F28F25/02; F28F25/04; F28F25/08; F28F25/082; Y; Y02; Y02B; Y02B30/00; Y02B30/70; Y10; Y10S; Y10S261/00; Y10S261/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A COOLING TOWER COMPRISING: A HOUSING, SAID HOUSING BEING FORMED SUBSTANTIALLY OF CONCRETE AND DEFINING A SUBSTANTIALLY HOLLOW FILL CHAMBER, MEANS FOR INDUCING AIR FLOW THROUGH SAID CHAMBER; SAID HOUSING INCLUDING A ROOF STRUCTURE FORMED OF REINFORCED CONCRETE AND DEFINING A WATER DISTRIBUTING PAN OF REINFORCED CONCRETE THEREIN, SAID PAN HAVING A PLURALITY OF VERTICAL OPENINGS THERETHROUGH IN COMMUNICATION WITH SAID CHAMBER; A PLURALITY OF HANGERS, MEANS REMOVABLY POSITIONING SAID HANGERS WITHIN PRESELECTED ONES OF SAID VERTICAL OPENINGS THROUGH SAID PAN; AND, A FILL ASSEMBLY MEANS REMOVABLY HANGING SAID FILL ASSEMBLY FROM SAID HANGERS IN PRESELECTED ONES OF SAID OPENINGS, SAID FILL ASSEMBLY INCLUDING A PLURALITY OF GRIDS, HORIZONTALLY SPACED AND VERTICALLY EXTENDING SPLASH BARS POSITIONED THROUGH SAID GRIDS AND SUPPORTED BY ADJACENT ONES OF SAID GRIDS IN A PREDETERMINED PATTERN, TIE BARS AFFIXED TO SAID GRIDS AND TO SAID HOUSING TO HORIZONTALLY POSITION SAID GRIDS RELATIVE TO SAID HOUSING.
Claim 2
Dependent Claim
150 words
A COOLING TOWER COMPRISING: A HOUSING, SAID HOUSING BEING FORMED SUBSTANTIALLY OF CONCRETE AND DEFINING A SUBSTANTIALLY HOLLOW FILL CHAMBER, MEANS FOR INDUCING AIR FLOW THROUGH SAID CHAMBER; SAID HOUSING INCLUDING A ROOF STRUCTURE FORMED OF REINFORCED CONCRETE AND DEFINING A WATER DISTRIBUTING PAN OF REINFORCED CONCRETE THEREIN, SAID PAN HAVING A PLURALITY OF VERTICAL OPENINGS THERETHROUGH IN COMMUNICATION WITH SAID CHAMBER; A PLURALITY OF HANGERS, MEANS REMOVABLY POSITIONING SAID HANGERS WITHIN PRESELECTED ONES OF SAID VERTICAL OPENINGS THROUGH SAID PAN; AND, A FILL ASSEMBLY MEANS REMOVABLY HANGING SAID FILL ASSEMBLY FROM SAID HANGERS IN PRESELECTED ONES OF SAID OPENINGS, SAID FILL ASSEMBLY INCLUDING A PLURALITY OF GRIDS, HORIZONTALLY SPACED AND VERTICALLY EXTENDING SPLASH BARS POSITIONED THROUGH SAID GRIDS AND SUPPORTED BY ADJACENT ONES OF SAID GRIDS IN A PREDETERMINED PATTERN, TIE BARS AFFIXED TO SAID GRIDS AND TO SAID HOUSING TO HORIZONTALLY POSITION SAID GRIDS RELATIVE TO SAID HOUSING.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |