US3302608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pellet coating apparatus and dust cover system therefor
Assignee: WM Wrigley Jr Co
•
Filing: 1963-09-17
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Granted: 1967-02-07
•
Expires: 1983-09-17
Abstract
No abstract record available.
Inventors
- 👤 Uzal E Coons
- 👤 Herbert D Bredehorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:52
CPC Classifications
B; B05; B05C; B05C9/00; B05C9/08; A; A23; A23G; A23G3/00; A23G3/02; A23G3/20; A23G3/26; A61; A61J; A61J3/00; A61J3/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
PELLET COATING APPARATUS AND A DUST COVER SYSTEM THEREFOR COMPRISING, IN COMBINATION, A ROTARY TUMBLING DRUM HAVING AN AXIS OF ROTATION ANDAN OPENING SUBSTANTIALLY CONCENTRIC TO SAID AXIS, MEANS FOR SUPPORTING SAID DRUM FOR ROTATION ABOUT SAID AXIS, MEANS FOR DRIVING THE DRUM, A GENERALLY PLANAR COVER OF SEGMENTAL SHAPE FITTING LOOSELY IN SAID OPENING IN THE DRUMIN GENERALLY FLUSH RELATIONSHIP TO AN END OF THE DRUM, MEANS SUPPORTING SAID COVER FOR SWINGING MOVEMENTS TO AND AWAY FROM SAID OPENING IN THE DRUM, SAID COVER BEING HOLLOW AND HAVING AIR INLET AND EXHAUST CONDUITS EXTENDING THERETHROUGH AND SPACED PERIPHERAL AIR OUTLET OPENINGS THEREIN, MEANS FOR SUPPLYING AIR TO THE INTERIOR OF THE COVER FOR DISCHARGE THROUGH SAID SPACED PERIPHERAL AIR OUTLET OPENINGS, MEANS FOR SUPPLYING AIR TO SAID INLET CONDUIT AND THE INTERIOR OF THE COVER AT A PREDETERMINED RATE, MEANS
Claim 2
Dependent Claim
141 words
PELLET COATING APPARATUS AND A DUST COVER SYSTEM THEREFOR COMPRISING, IN COMBINATION, A ROTARY TUMBLING DRUM HAVING AN AXIS OF ROTATION ANDAN OPENING SUBSTANTIALLY CONCENTRIC TO SAID AXIS, MEANS FOR SUPPORTING SAID DRUM FOR ROTATION ABOUT SAID AXIS, MEANS FOR DRIVING THE DRUM, A GENERALLY PLANAR COVER OF SEGMENTAL SHAPE FITTING LOOSELY IN SAID OPENING IN THE DRUMIN GENERALLY FLUSH RELATIONSHIP TO AN END OF THE DRUM, MEANS SUPPORTING SAID COVER FOR SWINGING MOVEMENTS TO AND AWAY FROM SAID OPENING IN THE DRUM, SAID COVER BEING HOLLOW AND HAVING AIR INLET AND EXHAUST CONDUITS EXTENDING THERETHROUGH AND SPACED PERIPHERAL AIR OUTLET OPENINGS THEREIN, MEANS FOR SUPPLYING AIR TO THE INTERIOR OF THE COVER FOR DISCHARGE THROUGH SAID SPACED PERIPHERAL AIR OUTLET OPENINGS, MEANS FOR SUPPLYING AIR TO SAID INLET CONDUIT AND THE INTERIOR OF THE COVER AT A PREDETERMINED RATE, MEANS
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |