US2534047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seat construction
Assignee: Tenneco Automotive Inc
•
Filing: 1944-12-11
•
Granted: 1950-12-12
•
Expires: 1964-12-11
Abstract
No abstract record available.
Inventors
- 👤 Brouwer D Mcintyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/50; B60N2/502; B60N2/505; B60N2/506; B60N2/507; B60N2/52; B60N2/522; B60N2/527; B60N2/54; B60N2/544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL41938C
Cited
US1112354A
Cited
GB154369A
Cited
FR556818A
Cited
GB299207A
Cited
FR687271A
Cited
US1960939A
Cited
US2201280A
Cited
US2272124A
Cited
US2334922A
Cited
US2346895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |