US2657453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool of the screw machine type
Assignee: Individual
•
Filing: 1948-02-24
•
Granted: 1953-11-03
•
Expires: 1968-02-24
Abstract
No abstract record available.
Inventors
- 👤 Brodhun John Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:56
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/02; B23G1/04; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US586922A
Cited
US604306A
Cited
US969433A
Cited
US1563669A
Cited
US1793279A
Cited
US2379096A
Cited
US2347372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |