US3246404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal dryer
Assignee: Ametek Inc
•
Filing: 1963-03-13
•
Granted: 1966-04-19
•
Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 O'conor Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:51
CPC Classifications
F; F26; F26B; F26B7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A CENTRIFUGAL DRYER, A HOUSING HAVING A CHAMBER THEREIN, SAID CHAMBER HAVING AN OPENING IN THE TOP THEREOF AND AN IMPERFORATE BOTTOM WALL; VERTICAL SPINDLE MEANS JOURNALED IN BEARING MEANS WITHIN SAID HOUSING; MOTOR MEANS FOR DRIVING SAID SPINDLE MEANS; AND BASKET MEANS ATTACHED TO SAID SPINDLE MEANS, SAID BASKET MEANS HAVING AN IMPERFORATE BOTTOM SPACED SUBSTANTIALLY ABOVE THE BOTTOM WALL OF SAID CHAMBER; RIBS EXTENDING RADIALLY AND VERTICALLY ALONG THE EXTERIOR CIRCUMFERENCE OF SAID BASKET MEANS, SAID RIBS DEPENDING BELOW THE BOTTOM OF SAID BASKET MEANS INTO THE SPACE BETWEEN THE BOTTOM OF SAID BASKET MEANS AND THE BOTTOM WALL OF SAID CHAMBER, THERE BEING AN EXHAUST PORT FROM SAID SPACE TO ATMOSPHERE, SAID RIBS FORMING FAN MEANS INTEGRAL WITH SAID BASKET WITHIN SAID HOUSING, SAID FAN MEANS CAUSING MOVEMENT OF AIR THROUGH THE OPENING IN THE TOP OF SAID HOUSING AND OVER ARTICLES IN SAID BASKET AND THENCE TO THE ATMOSPHERE WITHOUT RECIRCULATING THROUGH SAID BASKET MEANS.
Claim 2
Dependent Claim
160 words
IN A CENTRIFUGAL DRYER, A HOUSING HAVING A CHAMBER THEREIN, SAID CHAMBER HAVING AN OPENING IN THE TOP THEREOF AND AN IMPERFORATE BOTTOM WALL; VERTICAL SPINDLE MEANS JOURNALED IN BEARING MEANS WITHIN SAID HOUSING; MOTOR MEANS FOR DRIVING SAID SPINDLE MEANS; AND BASKET MEANS ATTACHED TO SAID SPINDLE MEANS, SAID BASKET MEANS HAVING AN IMPERFORATE BOTTOM SPACED SUBSTANTIALLY ABOVE THE BOTTOM WALL OF SAID CHAMBER; RIBS EXTENDING RADIALLY AND VERTICALLY ALONG THE EXTERIOR CIRCUMFERENCE OF SAID BASKET MEANS, SAID RIBS DEPENDING BELOW THE BOTTOM OF SAID BASKET MEANS INTO THE SPACE BETWEEN THE BOTTOM OF SAID BASKET MEANS AND THE BOTTOM WALL OF SAID CHAMBER, THERE BEING AN EXHAUST PORT FROM SAID SPACE TO ATMOSPHERE, SAID RIBS FORMING FAN MEANS INTEGRAL WITH SAID BASKET WITHIN SAID HOUSING, SAID FAN MEANS CAUSING MOVEMENT OF AIR THROUGH THE OPENING IN THE TOP OF SAID HOUSING AND OVER ARTICLES IN SAID BASKET AND THENCE TO THE ATMOSPHERE WITHOUT RECIRCULATING THROUGH SAID BASKET MEANS.
References Cited (Backward Citations)
US1687829A
Cited
US938358A
Cited
US1487071A
Cited
US1278593A
Cited
US1602463A
Cited
US2521054A
Cited
US2543579A
Cited
GB848908A
Cited
US2787841A
Cited
US2838107A
Cited
US2974423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |