US1895460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic coil for toy electric motors
Assignee: Individual
•
Filing: 1929-12-19
•
Granted: 1933-01-31
•
Expires: 1949-12-19
Abstract
No abstract record available.
Inventors
- 👤 John A Hanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:21
CPC Classifications
H; H02; H02K; H02K23/00; H02K1/00; H02K1/06; H02K1/08; H02K13/00; H02K13/04; H02K23/40; H02K3/00; H02K3/46; H02K3/52; H02K3/521; H02K3/522; H02K5/00; H02K5/04; H02K5/14; H02K5/143; H02K5/145; H02K2203/00; H02K2203/12
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) | 1936-01-31 | 1936-08-01 | 1937-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-31 | 1940-08-01 | 1941-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-31 | 1944-08-01 | 1945-01-31 | $7700.00 | Window Closed / Lapsed |