US2581613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: LEE A FORDON
•
Filing: 1946-10-03
•
Granted: 1952-01-08
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Expires: 1966-10-03
Abstract
No abstract record available.
Inventors
- 👤 Fred J Ullrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:25
CPC Classifications
B; B65; B65D; B65D21/00; B65D21/02; B65D21/06; B65D21/062
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) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |