US3436022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film coating apparatus
Assignee: Bayer Corp
•
Filing: 1966-12-09
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Granted: 1969-04-01
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Rolf K Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:09
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/46; D21H23/48; B; B05; B05C; B05C5/00; B05C5/02; C; C23; C23C; C23C6/00; D21H5/00; D21H5/0005; D21H5/0042; D21H5/0045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB1007304A
Cited
US3383054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |