US1995896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic switch
Assignee: Schneider Electric USA Inc
•
Filing: 1929-04-24
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Granted: 1935-03-26
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Expires: 1949-04-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Pengilly
- 👤 Rupert P Snoke
- 👤 Lawrence G Maechtlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:23
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/24; H01H21/00; H01H21/54; H01H21/58; H01H71/00; H01H71/10; H01H71/66; H01H71/68; H01H9/00; H01H9/30; H01H9/44; H01H1/00; H01H1/12; H01H1/14; H01H1/22; H01H1/221; H01H1/225
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) | 1938-03-25 | 1938-09-24 | 1939-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-25 | 1942-09-24 | 1943-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-25 | 1946-09-24 | 1947-03-26 | $7700.00 | Window Closed / Lapsed |