US2276471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of conveying and treating metallic sheets
Assignee: Primerica Inc
•
Filing: 1939-10-20
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Granted: 1942-03-17
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Expires: 1959-10-20
Abstract
No abstract record available.
Inventors
- 👤 Eberhart Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:50
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/20; B65G21/2009; B65G21/2018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-03-16 | 1945-09-15 | 1946-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-16 | 1949-09-15 | 1950-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-16 | 1953-09-15 | 1954-03-17 | $7700.00 | Window Closed / Lapsed |