US2807336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damping apparatus
Assignee: Individual
•
Filing: 1955-04-11
•
Granted: 1957-09-24
•
Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Morgan L Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:24
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/44; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1094267A
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US1406216A
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US1593313A
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US1984539A
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FR722476A
Cited
US1989498A
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US1998020A
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US2240644A
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US2722289A
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US2672955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |