US3395674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for vapor coating tumbling substrates
Assignee: International Resistance Co
•
Filing: 1963-09-23
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Granted: 1968-08-06
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Francis P Burham
- 👤 Robert W Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/50; C23C14/505; H; H01; H01B; H01B1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
APPARATUS FOR COATING OBJECTS BY THERMAL EVAPORATION IN A VACUUM COMPRISING A BASE PLATE; A PAIR OF SHAFTS ROTATABLY SUPPORTED ON THE BASE PLATE IN SPACED PARALLEL RELATION; A PAIR OF WHEELS MOUNTED ON EACH SHAFT WITH THE WHEELS ON ONE SHAFT BEING IN ALIGNMENT WITH THE WHEELS ON THE OTHER SHAFT; A CYLINDRICAL DRUM HAVING A CYLINDRICAL OUTER WALL, A PAIR OF FLAT SIDE WALLS SECURED IN THE ENDS OF SAID OUTER WALL, EACH OF SAID SIDE WALLS HAVING A CENTRAL OPENING THEREIN, MEANS SECURED TO SAID DRUM AND MOUNTED AROUND THE INNER SURFACE OF SAID OUTER WALL PROVIDING A PLURALITY OF PROJECTIONS FOR CONTINUOUSLY TUMBLING THE OBJECTS BEING COATED AS THE DRUM ROTATES, AND A PAIR OF ANNULAR TRACK RINGS SURROUNDING AND SECURED TO SAID OUTER WALL, THE DRUM BEING ROTATABLY SUPPORTED ON SAID WHEELS WITH EACH TRACK RING RESTING ON A PAIR OF ALIGNED WHEELS; A PAIR OF EVAPORATOR SUPPORTING POSTS MOUNTED ON SAID BASE PLATE ONE ADJACENT EACH SIDE OF THE DRUM; AN EVAPORATOR CONTAINING THE COATING MATERIAL, SAID EVAPORATOR EXTENDING THROUGH THE OPENINGS IN THE SIDE WALLS OF THE
Claim 2
Dependent Claim
184 words
APPARATUS FOR COATING OBJECTS BY THERMAL EVAPORATION IN A VACUUM COMPRISING A BASE PLATE; A PAIR OF SHAFTS ROTATABLY SUPPORTED ON THE BASE PLATE IN SPACED PARALLEL RELATION; A PAIR OF WHEELS MOUNTED ON EACH SHAFT WITH THE WHEELS ON ONE SHAFT BEING IN ALIGNMENT WITH THE WHEELS ON THE OTHER SHAFT; A CYLINDRICAL DRUM HAVING A CYLINDRICAL OUTER WALL, A PAIR OF FLAT SIDE WALLS SECURED IN THE ENDS OF SAID OUTER WALL, EACH OF SAID SIDE WALLS HAVING A CENTRAL OPENING THEREIN, MEANS SECURED TO SAID DRUM AND MOUNTED AROUND THE INNER SURFACE OF SAID OUTER WALL PROVIDING A PLURALITY OF PROJECTIONS FOR CONTINUOUSLY TUMBLING THE OBJECTS BEING COATED AS THE DRUM ROTATES, AND A PAIR OF ANNULAR TRACK RINGS SURROUNDING AND SECURED TO SAID OUTER WALL, THE DRUM BEING ROTATABLY SUPPORTED ON SAID WHEELS WITH EACH TRACK RING RESTING ON A PAIR OF ALIGNED WHEELS; A PAIR OF EVAPORATOR SUPPORTING POSTS MOUNTED ON SAID BASE PLATE ONE ADJACENT EACH SIDE OF THE DRUM; AN EVAPORATOR CONTAINING THE COATING MATERIAL, SAID EVAPORATOR EXTENDING THROUGH THE OPENINGS IN THE SIDE WALLS OF THE
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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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |