US2477830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking conveyer
Assignee: Waldorf Paper Products Co
•
Filing: 1945-08-03
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Granted: 1949-08-02
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Expires: 1965-08-03
Abstract
No abstract record available.
Inventors
- 👤 Nels H Sandberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:13
CPC Classifications
B; B65; B65G; B65G41/00; B65G41/001; B65G41/002; B65H; B65H29/00; B65H29/50; B65H29/66; B65H29/6609; B65H29/6618; B65H33/00; B65H33/12; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/176; B65H2701/1762
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) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |