US2836873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic press for the pressing of large-sized stones from granular material
Assignee: Individual
•
Filing: 1955-08-11
•
Granted: 1958-06-03
•
Expires: 1975-08-11
Abstract
No abstract record available.
Inventors
- 👤 Lingl Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:13
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/0029; B28B7/0035; B28B7/0044; B28B3/00; B28B3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1636102A
Cited
US1925050A
Cited
US1017876A
Cited
US1125837A
Cited
US1809601A
Cited
US2427044A
Cited
US2512092A
Cited
US2585193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |