US2189870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient suspension device
Assignee: Individual
•
Filing: 1937-01-30
•
Granted: 1940-02-13
•
Expires: 1957-01-30
Abstract
No abstract record available.
Inventors
- 👤 Sluyter Nicolaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:28
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/42; F16F1/52; F16F1/54; F16F1/545; B; B62; B62J; B62J1/00; B62J1/02; F16F2236/00; F16F2236/12; F16F2236/123; F16F2236/126; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455; Y10T403/70; Y10T403/7009; Y10T403/7011
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) | 1943-02-12 | 1943-08-14 | 1944-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-02-12 | 1947-08-14 | 1948-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-02-12 | 1951-08-14 | 1952-02-13 | $7700.00 | Window Closed / Lapsed |