US2590711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable rate spring assembly
Assignee: Goodrich Corp
•
Filing: 1946-12-31
•
Granted: 1952-03-25
•
Expires: 1966-12-31
Abstract
No abstract record available.
Inventors
- 👤 Alvin S Krotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:53
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; B60G11/23; Y; Y10; Y10S; Y10S16/00; Y10S16/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069270A
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US2167508A
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US2216455A
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US2270572A
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US2409501A
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US2393183A
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US2477187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |