US2607641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-type bearing
Assignee: Individual
•
Filing: 1949-03-02
•
Granted: 1952-08-19
•
Expires: 1969-03-02
Abstract
No abstract record available.
Inventors
- 👤 Messinger William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:21
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/361; F16C19/362; B; B61; B61F; B61F15/00; B61F15/12; B61F15/14; F16C43/00; F16C43/04; F16C43/06; F16C2326/00; F16C2326/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1235116A
Cited
US1722492A
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US1843292A
Cited
US2089048A
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US2071628A
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US2040741A
Cited
US2065311A
Cited
US2430359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |