Patent US2237631A successfully refreshed from Google Patents.
Patent US2082398A successfully refreshed from Google Patents.
Patent US2562501A successfully refreshed from Google Patents.
US2562501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioning and shock absorbing device
Assignee: Individual
•
Filing: 1946-11-21
•
Granted: 1951-07-31
•
Expires: 1966-11-21
Abstract
No abstract record available.
Inventors
- 👤 Charles L Madden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:10
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G11/23; F; F16; F16F; F16F1/00; F16F1/36; F16F1/38; F16F2236/00; F16F2236/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US808251A
Cited
US1753985A
Cited
US1692965A
Cited
US1780727A
Cited
FR701969A
Cited
US1983259A
Cited
DE595489C
Cited
US2069049A
Cited
US2028991A
Cited
FR825496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |