Patent US4501718A successfully refreshed from Google Patents.
Patent US2019518A successfully refreshed from Google Patents.
US2019518A
Expired / Lapsed
US
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Strip stock feeding and gauging
Assignee: Primerica Inc
•
Filing: 1934-03-27
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Granted: 1935-11-05
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Expires: 1954-03-27
Abstract
No abstract record available.
Inventors
- 👤 Magnus E Widell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:48
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/021; B21D43/022; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4501; Y10T83/4503; Y10T83/4508; Y10T83/4529; Y10T83/546
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) | 1938-11-04 | 1939-05-06 | 1939-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-04 | 1943-05-06 | 1943-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-04 | 1947-05-06 | 1947-11-05 | $7700.00 | Window Closed / Lapsed |