Patent US1206113A successfully refreshed from Google Patents.
Patent US2531958A successfully refreshed from Google Patents.
US2531958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective device for fuel lines or the like
Assignee: Stewart Warner Corp
•
Filing: 1942-12-18
•
Granted: 1950-11-28
•
Expires: 1962-12-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Lynn A Williams
- 👤 Arthur C Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:21
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US959618A
Cited
US1256960A
Cited
US1276589A
Cited
US1284197A
Cited
US1953244A
Cited
US1658848A
Cited
US1920742A
Cited
US1777732A
Cited
US1965004A
Cited
US2060215A
Cited
GB433864A
Cited
US2120301A
Cited
US2155060A
Cited
US2217797A
Cited
US2236891A
Cited
US2399843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |