US2721645A
Expired / Lapsed
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Assignee: Journal Co
•
Filing: 1953-01-02
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Granted: 1955-10-25
•
Expires: 1973-01-02
Abstract
No abstract record available.
Inventors
- 👤 Julian J Eberle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:48
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/11; B65G13/12; B65G21/00; B65G21/10; B65G21/14; B65G67/00; B65G67/02; B65G67/04; B65G67/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |