US2443587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock strut
Assignee: American Steel Foundries
•
Filing: 1943-03-29
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Granted: 1948-06-15
•
Expires: 1963-03-29
Abstract
No abstract record available.
Inventors
- 👤 Carl E Tack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:16
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/58; B64C25/60; Y; Y10; Y10S; Y10S106/00; Y10S106/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB496059A
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US2213242A
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US2378712A
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US2352401A
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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) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |