US3277580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying
Assignee: Hammtronics Systems Inc
•
Filing: 1963-07-05
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Granted: 1966-10-11
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Tooby George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:50
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/32; F26B3/34; H; H05; H05B; H05B6/00; H05B6/64; H05B6/72; H05B6/725; H05B6/78; H05B6/782; Y; Y10; Y10S; Y10S159/00; Y10S159/06; Y10S159/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
APPARATUS FOR THE CONTINUOUS DRYING OF MATERIALS COMPRISING, A DRYING CABINET HAVING A PLURALITY OF ELECTROMAGNETIC CAVITIES DEFINED THEREIN, THE CAVITIES BEING DEFINED BY MEANS OF INTERNAL WALLS WITHIN THE CABINET, INDIVIDUAL MEANS COUPLED TO EACH CAVITY FOR PRODUCING AND PROPAGATING ULTRAHIGH FREQUENCY ELECTRIC AND MAGNETIC FIELD WITHIN THE CAVITY AND THE ADJACENT DRYING ZONE IN ALIGNMENT THEREWITH, SAID CABINET HAVING A MATERIAL INLET AND OUTLET, A MOVABLE MATERIAL CONVEYOR MOUNTED IN THE CABINET AND EXTENDING OUTWARDLY OF THE INLET AND OUTLET FOR CARRYING MATERIALS TO BE DRIED THROUGH THE CABINET ADJACENT EACH OF THE CAVITIES OF CONTINUOUSLY AND SUCCESSIVELY SUBJECT MATERIALS TO BE DRIED CARRIED BY THE CONVEYOR TO THE ULTRAHIGH FREQUENCY ENERGY OF THE PLURALITY OF CAVITIES, THE LEVELS OF THE ULTRAHIGH FREQUENCY ENERGY FOR EACH OF THE CAVITIES BEING PROPORTIONED WITH RESPECT TO THE MATERIAL UNDERGOING DRYING AND WITH THE CAVITY DISPOSED ADJACENT THE CABINET MATERIAL INLET PROVIDED WITH THE LARGEST AMOUNT OF DRYING ENERGY AND WITH THE REMAINING CAVITY OF CAVITIES HAVING PRESELECTED AMOUNTS OF DRYING ENERGY LOWER THAN THE SAID LARGER AMOUNT OF
Claim 2
Dependent Claim
178 words
APPARATUS FOR THE CONTINUOUS DRYING OF MATERIALS COMPRISING, A DRYING CABINET HAVING A PLURALITY OF ELECTROMAGNETIC CAVITIES DEFINED THEREIN, THE CAVITIES BEING DEFINED BY MEANS OF INTERNAL WALLS WITHIN THE CABINET, INDIVIDUAL MEANS COUPLED TO EACH CAVITY FOR PRODUCING AND PROPAGATING ULTRAHIGH FREQUENCY ELECTRIC AND MAGNETIC FIELD WITHIN THE CAVITY AND THE ADJACENT DRYING ZONE IN ALIGNMENT THEREWITH, SAID CABINET HAVING A MATERIAL INLET AND OUTLET, A MOVABLE MATERIAL CONVEYOR MOUNTED IN THE CABINET AND EXTENDING OUTWARDLY OF THE INLET AND OUTLET FOR CARRYING MATERIALS TO BE DRIED THROUGH THE CABINET ADJACENT EACH OF THE CAVITIES OF CONTINUOUSLY AND SUCCESSIVELY SUBJECT MATERIALS TO BE DRIED CARRIED BY THE CONVEYOR TO THE ULTRAHIGH FREQUENCY ENERGY OF THE PLURALITY OF CAVITIES, THE LEVELS OF THE ULTRAHIGH FREQUENCY ENERGY FOR EACH OF THE CAVITIES BEING PROPORTIONED WITH RESPECT TO THE MATERIAL UNDERGOING DRYING AND WITH THE CAVITY DISPOSED ADJACENT THE CABINET MATERIAL INLET PROVIDED WITH THE LARGEST AMOUNT OF DRYING ENERGY AND WITH THE REMAINING CAVITY OF CAVITIES HAVING PRESELECTED AMOUNTS OF DRYING ENERGY LOWER THAN THE SAID LARGER AMOUNT OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |