US2693305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing air from the head spaces of filled cans
Assignee: Continental Can Co Inc
•
Filing: 1949-02-17
•
Granted: 1954-11-02
•
Expires: 1969-02-17
Abstract
No abstract record available.
Inventors
- 👤 John M Boyd
- 👤 Ralph M Mero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:26
CPC Classifications
B; B65; B65B; B65B31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |