US2513446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump or motor
Assignee: Brown and Brown Inc
•
Filing: 1946-05-17
•
Granted: 1950-07-04
•
Expires: 1966-05-17
Abstract
No abstract record available.
Inventors
- 👤 Wesley H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:51
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US550466A
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GB169836A
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US1777851A
Cited
US1961592A
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GB363471A
Cited
GB348524A
Cited
US2029590A
Cited
US1927799A
Cited
FR761205A
Cited
DE686009C
Cited
US2368789A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |