US2730953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric induction motor-pump
Assignee: Individual
•
Filing: 1952-01-21
•
Granted: 1956-01-17
•
Expires: 1972-01-21
Abstract
No abstract record available.
Inventors
- 👤 Pensabene Nicolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:55
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0646; F04D13/0666; H02K17/00; H02K17/02; H02K17/12; H02K17/16; H02K5/128; H02K5/1282; H02K7/00; H02K7/08; H02K7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US323975A
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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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |