US1746726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric system
Assignee: SIMPLEX EQUIPMENT Co Inc
•
Filing: 1925-12-07
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Granted: 1930-02-11
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Expires: 1945-12-07
Abstract
No abstract record available.
Inventors
- 👤 John L Creveling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:55
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; B; B23; B23B; B23B51/00; B23B51/04; B23B51/0486
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) | 1933-02-10 | 1933-08-12 | 1934-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-02-10 | 1937-08-12 | 1938-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-02-10 | 1941-08-12 | 1942-02-11 | $7700.00 | Window Closed / Lapsed |