Patent US2541318A successfully refreshed from Google Patents.
US2541318A
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US
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Piston aligning mechanism
Assignee: Individual
•
Filing: 1949-06-10
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Granted: 1951-02-13
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Expires: 1969-06-10
Abstract
No abstract record available.
Inventors
- 👤 Edward E Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:00
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US558417A
Cited
GB190201600A
Cited
US1543812A
Cited
US1801270A
Cited
US1643359A
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US1805475A
Cited
US1990138A
Cited
US2013374A
Cited
US2461783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |