US3432090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking box
Assignee: Domtar Inc
•
Filing: 1967-06-12
•
Granted: 1969-03-11
•
Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Karl Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:46
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3125280A
Cited
US2680558A
Cited
US2970743A
Cited
US3096918A
Cited
US3176904A
Cited
US3191848A
Cited
US3283991A
Cited
US3310222A
Cited
US3310223A
Cited
US3295742A
Cited
US3338505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |