US2607323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating type fluid operable motor
Assignee: Elgin Softener Corp
•
Filing: 1945-10-26
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Granted: 1952-08-19
•
Expires: 1965-10-26
Abstract
No abstract record available.
Inventors
- 👤 Kromhout Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:07
CPC Classifications
F; F01; F01L; F01L21/00; F01L21/04; F16; F16K; F16K11/00; F16K11/10; F16K11/20; F16K11/22
Claims Analysis
Total Claims: 0
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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) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |