US1545213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor
Assignee: Robbins & Myers Co
•
Filing: 1924-06-26
•
Granted: 1925-07-07
•
Expires: 1944-06-26
Abstract
No abstract record available.
Inventors
- 👤 Harve R Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:32
CPC Classifications
H; H02; H02K; H02K23/00; H02K23/02; H02K23/18; H02K13/00; H02K13/10; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/148
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) | 1928-07-06 | 1929-01-05 | 1929-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-06 | 1933-01-05 | 1933-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-06 | 1937-01-05 | 1937-07-07 | $7700.00 | Window Closed / Lapsed |