Patent US3422796A successfully refreshed from Google Patents.
US3422796A
Expired / Lapsed
US
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Grooved coating apparatus
Assignee: EIDP Inc
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Filing: 1967-01-24
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Granted: 1969-01-21
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Expires: 1987-01-24
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Baber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:53
CPC Classifications
D; D06; D06B; D06B1/00; D06B1/10; D06B1/14; D06B1/16; B; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29B15/122; D06B1/08; D06B3/00; D06B3/04; D06B2700/00; D06B2700/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3120027A
Cited
US3157536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |