US2032728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface plate device
Assignee: Individual
•
Filing: 1932-06-09
•
Granted: 1936-03-03
•
Expires: 1952-06-09
Abstract
No abstract record available.
Inventors
- 👤 Verderber Joseph
- 👤 Elmer F Batterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:28
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/007; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28
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) | 1939-03-03 | 1939-09-02 | 1940-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-03 | 1943-09-02 | 1944-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-03 | 1947-09-02 | 1948-03-03 | $7700.00 | Window Closed / Lapsed |