US3433171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Peristaltic fluid pump
Assignee: ERNEST R CORNEIL
•
Filing: 1966-11-23
•
Granted: 1969-03-18
•
Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Ernest R Corneil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:53
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0054; F04B43/0072; F04B43/08; F04B43/082
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR961579A
Cited
US1922196A
Cited
US2105200A
Cited
US2546852A
Cited
DE836006C
Cited
US2689530A
Cited
US2877714A
Cited
US3083647A
Cited
US3176622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |