Patent US1318147A successfully refreshed from Google Patents.
Patent US2900719A successfully refreshed from Google Patents.
Patent US2589644A successfully refreshed from Google Patents.
US2589644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bumper structure
Assignee: SALSBURY CORP
•
Filing: 1947-04-28
•
Granted: 1952-03-18
•
Expires: 1967-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lewis D Thostenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:02
CPC Classifications
B; B62; B62J; B62J27/00; B62J27/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1546948A
Cited
US2246616A
Cited
US998788A
Cited
US1706162A
Cited
US2197532A
Cited
US2253041A
Cited
US2206023A
Cited
US2194660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |