US1774723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for ascertaining the relative capacities of pumps and the like
Assignee: Cutler Hammer Inc
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Filing: 1927-06-08
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Granted: 1930-09-02
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Expires: 1947-06-08
Abstract
No abstract record available.
Inventors
- 👤 Horace N Packard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:55
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/20; G01N25/22; G01N25/40; G01N25/42; F; F04; F04D; F04D15/00; F04D15/0088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-09-01 | 1934-03-03 | 1934-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-01 | 1938-03-03 | 1938-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-01 | 1942-03-03 | 1942-09-02 | $7700.00 | Window Closed / Lapsed |