US2828934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration isolator
Assignee: Hutchinson Aerospace and Industry Inc
•
Filing: 1955-02-09
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Granted: 1958-04-01
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Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Markowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:52
CPC Classifications
F; F16; F16F; F16F13/00; F16F13/02; F16F1/00; F16F1/36; F16F1/362; F16F3/00; F16F3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |