US2418697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat spring
Assignee: Stubnitz Greene Spring Corp
•
Filing: 1944-09-02
•
Granted: 1947-04-08
•
Expires: 1964-09-02
Abstract
No abstract record available.
Inventors
- 👤 John M Caughey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:11
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/34; B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/7058; B60N2/7064
Claims Analysis
Total Claims: 0
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US71014A
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US1255151A
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US1333801A
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US1804821A
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US1924022A
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US2068996A
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US2101054A
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US2249233A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-07 | 1950-10-07 | 1951-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-07 | 1954-10-07 | 1955-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-07 | 1958-10-07 | 1959-04-08 | $7700.00 | Window Closed / Lapsed |