US1898264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet
Assignee: ENTERPRISE TOOL AND GEAR Corp
•
Filing: 1930-12-08
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Granted: 1933-02-21
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Expires: 1950-12-08
Abstract
No abstract record available.
Inventors
- 👤 Proefke Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:57
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; B23B2231/00; B23B2231/20; B23B2231/2027; B23B2231/2037; B23B2231/2048; B23B2231/2062; F; F16; F16B; F16B2200/00; F16B2200/30; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17418; Y10T279/17452; Y10T279/19; Y10T279/1986; Y10T403/00; Y10T403/70; Y10T403/7041; Y10T403/7045
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) | 1936-02-21 | 1936-08-22 | 1937-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-21 | 1940-08-22 | 1941-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-21 | 1944-08-22 | 1945-02-21 | $7700.00 | Window Closed / Lapsed |