US2443201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber cushioning device
Assignee: Individual
•
Filing: 1941-03-17
•
Granted: 1948-06-15
•
Expires: 1961-03-17
Abstract
No abstract record available.
Inventors
- 👤 Sluyter Nicolaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:58
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/047; B; B61; B61D; B61D33/00; F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/0445
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |