Patent US995255A successfully refreshed from Google Patents.
US995255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnet.
Assignee: Kellogg Switchboard and Supply Co
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Filing: 1908-08-01
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Granted: 1911-06-13
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Expires: 1928-08-01
Abstract
No abstract record available.
Inventors
- 👤 William Kaisling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:08
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
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) | 1914-06-12 | 1914-12-12 | 1915-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-06-12 | 1918-12-12 | 1919-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-06-12 | 1922-12-12 | 1923-06-13 | $7700.00 | Window Closed / Lapsed |