US3036525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical feed pump
Assignee: Culligan Inc
•
Filing: 1959-12-16
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Granted: 1962-05-29
•
Expires: 1979-12-16
Abstract
No abstract record available.
Inventors
- 👤 Robert E Schulze
- 👤 Robert J Jauch
- 👤 Christian W Kruckeberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:05
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/0009; F04B43/0081; F04B43/009; F04B49/00; F04B49/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |