US2744718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration isolator
Assignee: Hutchinson Aerospace and Industry Inc
•
Filing: 1952-08-29
•
Granted: 1956-05-08
•
Expires: 1972-08-29
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Markowski
- 👤 William W Symonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:06
CPC Classifications
F; F16; F16F; F16F1/00; F16F1/36; F16F1/362
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1936389A
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US2044649A
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US2334263A
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US2398595A
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US2519702A
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US2520442A
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US2658710A
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US2687269A
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US2687270A
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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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |