Patent US5825867A successfully refreshed from Google Patents.
Patent US3344971A successfully refreshed from Google Patents.
US3344971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lined box
Assignee: Domtar Inc
•
Filing: 1965-12-06
•
Granted: 1967-10-03
•
Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Walker Richard William Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:13
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/56; B65D5/60; B65D5/603; B65D5/606; B65D5/36; B65D5/3607; B65D5/3614
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2493337A
Cited
US2930517A
Cited
US3079060A
Cited
US3114300A
Cited
US3113712A
Cited
US3215330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |