US2598547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pumping of fluids under high pressures
Assignee: Hayward Tyler and Co Ltd
•
Filing: 1947-12-16
•
Granted: 1952-05-27
•
Expires: 1967-12-16
Abstract
No abstract record available.
Inventors
- 👤 Ivanoff Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:34
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/106; F04D13/00; F04D13/02; F04D13/06; F04D13/0653
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1974183A
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US1897784A
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US1974678A
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US2520880A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |