US2961967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic reversing turbine pump
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1956-10-01
•
Granted: 1960-11-29
•
Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Harry A Meyer
- 👤 Henry J Langlois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:34
CPC Classifications
F; F04; F04D; F04D5/00; F04D5/002; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46; F04D29/50; F04D29/506
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |