Patent US3442684A successfully refreshed from Google Patents.
US3442684A
Expired / Lapsed
US
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Bent blade clay coating
Assignee: International Paper Co
•
Filing: 1963-11-27
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Granted: 1969-05-06
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Expires: 1983-11-27
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Woodham
- 👤 Eugene F Bradley
- 👤 John D Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:17
CPC Classifications
B; B05; B05C; B05C11/00; B05C11/02; B05C11/04; B05C11/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2249089A
Cited
US2937955A
Cited
US3097107A
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US3113890A
Cited
US3158497A
Cited
US3158498A
Cited
US3255038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |