US2561723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate stacking and unstacking machine
Assignee: Individual
•
Filing: 1948-01-21
•
Granted: 1951-07-24
•
Expires: 1968-01-21
Abstract
No abstract record available.
Inventors
- 👤 John N Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:12
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/30; B65G57/301; B65G57/302; B65G59/00; B65G59/06; B65G59/061; B65G59/062; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/114
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US630187A
Cited
US972649A
Cited
US1058372A
Cited
US1158045A
Cited
US1866369A
Cited
US1737784A
Cited
US1904198A
Cited
US1958845A
Cited
US1870207A
Cited
US1963621A
Cited
US1979089A
Cited
US2385267A
Cited
US2407782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |