Patent US4519038A successfully refreshed from Google Patents.
Patent US2543078A successfully refreshed from Google Patents.
US2543078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expendable puller
Assignee: Individual
•
Filing: 1946-05-31
•
Granted: 1951-02-27
•
Expires: 1966-05-31
Abstract
No abstract record available.
Inventors
- 👤 Fred M Varney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:19
CPC Classifications
B; B63; B63H; B63H5/00; B63H5/07; B63H5/18; B63C; B63C11/00; B63C11/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190104459A
Cited
US827202A
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US965912A
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US1226768A
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US1433563A
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US1474952A
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US1512391A
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US1579529A
Cited
US1586595A
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US1691188A
Cited
US2045645A
Cited
US2109813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |