Patent US1592870A successfully refreshed from Google Patents.
US1592870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring cushion
Assignee: SCHOLZEN SPRING CUSHION Co
•
Filing: 1924-04-09
•
Granted: 1926-07-20
•
Expires: 1944-04-09
Abstract
No abstract record available.
Inventors
- 👤 Scholzen Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:54
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/7058; B60N2/7064
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1929-07-19 | 1930-01-18 | 1930-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-07-19 | 1934-01-18 | 1934-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-07-19 | 1938-01-18 | 1938-07-20 | $7700.00 | Window Closed / Lapsed |