Patent US2467478A successfully refreshed from Google Patents.
US2467478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorbing spring structure
Assignee: Individual
•
Filing: 1945-05-18
•
Granted: 1949-04-19
•
Expires: 1965-05-18
Abstract
No abstract record available.
Inventors
- 👤 Maurice H Hollingsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:44
CPC Classifications
B; B62; B62J; B62J1/00; B62J1/02; B62J1/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1003908A
Cited
US644769A
Cited
US900779A
Cited
US1111924A
Cited
FR503374A
Cited
US1445765A
Cited
GB500638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |