US2052600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine construction
Assignee: Individual
•
Filing: 1933-04-20
•
Granted: 1936-09-01
•
Expires: 1953-04-20
Abstract
No abstract record available.
Inventors
- 👤 Edward C Boss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:23
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/01; B23Q1/015; Y; Y10; Y10T; Y10T29/00; Y10T29/44; Y10T29/51; Y10T29/5104; Y10T29/5105; Y10T29/5109; Y10T29/5112; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/70; Y10T403/7041; Y10T403/71; Y10T403/7129; Y10T403/7141; Y10T403/7194; Y10T408/00; Y10T408/91; Y10T409/00; Y10T409/30; Y10T82/00; Y10T82/25; Y10T82/2566; Y10T82/30
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) | 1939-09-01 | 1940-03-02 | 1940-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-09-01 | 1944-03-02 | 1944-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-09-01 | 1948-03-02 | 1948-09-01 | $7700.00 | Window Closed / Lapsed |