US2423736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock strut
Assignee: American Steel Foundries
•
Filing: 1943-03-29
•
Granted: 1947-07-08
•
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
2026-10-25 16:59
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/58; B64C25/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB137585A
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GB297438A
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US1886712A
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US2069791A
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US2209603A
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US2092644A
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US2174312A
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US2171185A
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US2313242A
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US2325430A
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US2342381A
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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) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |