US2195683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Block and tile pressing machine
Assignee: ROSTONE Inc
•
Filing: 1937-01-28
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Granted: 1940-04-02
•
Expires: 1957-01-28
Abstract
No abstract record available.
Inventors
- 👤 David E Ross
- 👤 Maurice G Knoy
- 👤 Floyd P Wymer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:52
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/04; B28B3/00; B28B3/02; B28B5/00; B28B5/02; B28B5/021; B28B5/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-04-02 | 1943-10-02 | 1944-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-02 | 1947-10-02 | 1948-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-02 | 1951-10-02 | 1952-04-02 | $7700.00 | Window Closed / Lapsed |