Patent US2252133A successfully refreshed from Google Patents.
US2252133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal fabricating compocnb
Assignee: —
•
Filing: —
•
Granted: 1941-08-12
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Expires: 1958-08-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:52
CPC Classifications
C; C10; C10M; C10M111/00; C10M111/02; C10M137/00; C10M137/02; C10M137/04; C10M2219/00; C10M2219/02; C10M2219/021; C10M2219/022; C10M2219/024; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/0415; C10M2223/042; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
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) | 1944-08-11 | 1945-02-10 | 1945-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-11 | 1949-02-10 | 1949-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-11 | 1953-02-10 | 1953-08-12 | $7700.00 | Window Closed / Lapsed |