US2452879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for immersing edge portions of black plate in successive treating baths
Assignee: Continental Can Co Inc
•
Filing: 1943-08-09
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Granted: 1948-11-02
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Expires: 1963-08-09
Abstract
No abstract record available.
Inventors
- 👤 Walter M Tomkins
- 👤 Albert C Larkin
- 👤 John C Anthony
- 👤 Oakland K Ross
- 👤 Ralph M Mero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
B; B65; B65G; B65G49/00; B65G49/02; B65G49/04; B65G49/0409; B65G49/0413; B65G49/0418
Claims Analysis
Total Claims: 0
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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) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |