Patent US2743673A successfully refreshed from Google Patents.
US2743673A
Expired / Lapsed
US
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Pump-motor unit
Assignee: American Crucible Products Co
•
Filing: 1950-08-01
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Granted: 1956-05-01
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Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert W Kaatz
- 👤 Harold F Enyeart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:57
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132; F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08
Claims Analysis
Total Claims: 0
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |