US3421678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Profile coated carton
Assignee: US Plywood Champion Papers Inc
•
Filing: 1967-10-09
•
Granted: 1969-01-14
•
Expires: 1987-10-09
Abstract
No abstract record available.
Inventors
- 👤 Kenneth Thompson
- 👤 Richard C Ihde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/067; B65D5/42; B65D5/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2676745A
Cited
US3167231A
Cited
US3120335A
Cited
US3111715A
Cited
US3305383A
Cited
US3207410A
Cited
US3212697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |