US2872020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking apparatus
Assignee: Individual
•
Filing: 1956-06-05
•
Granted: 1959-02-03
•
Expires: 1976-06-05
Abstract
No abstract record available.
Inventors
- 👤 Hansel Otto
- 👤 Lesch Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:28
CPC Classifications
B; B65; B65B; B65B35/00; B65B35/30; B65B35/50; B65B23/00; B65B23/10; B65B23/12; B65B23/14; B65G; B65G57/00; B65G57/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US460165A
Cited
US2603341A
Cited
US1493480A
Cited
US1531028A
Cited
US1629323A
Cited
US1795352A
Cited
GB733654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |