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US2775931A
Expired / Lapsed
US
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Press
Assignee: MESSINGER BEARINGS Inc
•
Filing: 1953-03-11
•
Granted: 1957-01-01
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Expires: 1973-03-11
Abstract
No abstract record available.
Inventors
- 👤 The First National Philadelphi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:58
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US37475A
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US150313A
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US1347785A
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US1350822A
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US1825686A
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US2172126A
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US2227111A
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US2443781A
Cited
US2486242A
Cited
US2480212A
Cited
DE854749C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |