US2202301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leaf spring construction
Assignee: Individual
•
Filing: 1938-11-28
•
Granted: 1940-05-28
•
Expires: 1958-11-28
Abstract
No abstract record available.
Inventors
- 👤 Karl K Probst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:01
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/02; F; F16; F16F; F16F1/00; F16F1/02; F16F1/18
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) | 1943-05-28 | 1943-11-27 | 1944-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-28 | 1947-11-27 | 1948-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-28 | 1951-11-27 | 1952-05-28 | $7700.00 | Window Closed / Lapsed |