US2533198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge finder
Assignee: Individual
•
Filing: 1945-01-26
•
Granted: 1950-12-05
•
Expires: 1965-01-26
Abstract
No abstract record available.
Inventors
- 👤 James G Radtke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:03
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q17/2233; B23Q17/225; Y; Y10; Y10T; Y10T408/00; Y10T408/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US869483A
Cited
US910706A
Cited
US1252777A
Cited
US1341935A
Cited
US1984864A
Cited
US2216766A
Cited
US2356300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |