US2682344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for stacking sheet material
Assignee: Primerica Inc
•
Filing: 1947-08-05
•
Granted: 1954-06-29
•
Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Carl G Preis
- 👤 Ronald E J Nordquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:28
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; B21D43/22; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2057
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) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |