US2516072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion damping device
Assignee: Transit Research Corp
•
Filing: 1944-03-01
•
Granted: 1950-07-18
•
Expires: 1964-03-01
Abstract
No abstract record available.
Inventors
- 👤 Emil H Piron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:39
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/08; B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637149A
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US1698727A
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US1913414A
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GB378410A
Cited
US1980227A
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US2079088A
Cited
US2263599A
Cited
US2217818A
Cited
US2277263A
Cited
US2295556A
Cited
US2378414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |