US2749003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container closing device
Assignee: Individual
•
Filing: 1951-06-02
•
Granted: 1956-06-05
•
Expires: 1971-06-02
Abstract
No abstract record available.
Inventors
- 👤 Willy E Zimmermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:09
CPC Classifications
B; B67; B67B; B67B3/00; B67B3/28; B67B3/02; B67B3/10; B67B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US862530A
Cited
US1363824A
Cited
US2036105A
Cited
US2089769A
Cited
US2190509A
Cited
US2431114A
Cited
US2541001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |