US2862452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumps
Assignee: Tait Manufacturing Co
•
Filing: 1955-04-29
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Granted: 1958-12-02
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Expires: 1975-04-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Lung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:51
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/18; F04D29/22; F04D29/2205; F04D29/2222; F04D29/2227; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D29/60; F04D29/605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666869A
Cited
US1595636A
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US1883266A
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US1832620A
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US2525370A
Cited
US2542986A
Cited
GB651619A
Cited
US2660120A
Cited
US2625883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |