Patent US2046923A successfully refreshed from Google Patents.
US2046923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum container
Assignee: Continental Can Co Inc
•
Filing: 1935-03-23
•
Granted: 1936-07-07
•
Expires: 1955-03-23
Abstract
No abstract record available.
Inventors
- 👤 James H O'neil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:44
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/04; B65D81/00; B65D81/18; B65D81/20; B65D81/2007; B65D81/2038
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-07-07 | 1940-01-06 | 1940-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-07 | 1944-01-06 | 1944-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-07 | 1948-01-06 | 1948-07-07 | $7700.00 | Window Closed / Lapsed |