US2492889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal sheet stacking apparatus
Assignee: Continental Can Co Inc
•
Filing: 1945-10-22
•
Granted: 1949-12-27
•
Expires: 1965-10-22
Abstract
No abstract record available.
Inventors
- 👤 James M Royal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:52
CPC Classifications
B; B65; B65H; B65H31/00; B65H31/24; B65H29/00; B65H29/26; B65H29/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240797A
Cited
US2371174A
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US1777139A
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US1866812A
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US1947396A
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US2019843A
Cited
US2257469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |