US1905784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: DELTA STAR ELECTRIC Co
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Filing: 1929-07-15
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Granted: 1933-04-25
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Expires: 1949-07-15
Abstract
No abstract record available.
Inventors
- 👤 Alsaker Alfred
- 👤 Elias S Corneliussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:57
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/46; H01H2003/323; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17393; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32418; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20624; Y10T74/20882; Y10T74/21; Y10T74/2142; Y10T74/2162; Y10T74/2173
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) | 1936-04-24 | 1936-10-24 | 1937-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-24 | 1940-10-24 | 1941-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-24 | 1944-10-24 | 1945-04-25 | $7700.00 | Window Closed / Lapsed |