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Patent US2934027A successfully refreshed from Google Patents.
US2934027A
Expired / Lapsed
US
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Railway trucks
Assignee: WAYNE M MANN
•
Filing: 1955-10-17
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Granted: 1960-04-26
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Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Lindsay M Applegate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:56
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/02; B61F3/08; B61F3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US496145A
Cited
US1656902A
Cited
US2604857A
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US2705926A
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US2728304A
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US2756690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |