US1753773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium-plated worm shaft
Assignee: Delco Electronics LLC
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Filing: 1926-10-01
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Granted: 1930-04-08
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Expires: 1946-10-01
Abstract
No abstract record available.
Inventors
- 👤 Champion Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:38
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60Q1/54; Y; Y10; Y10S; Y10S29/00; Y10S29/012; Y10S384/00; Y10S384/90; Y10S384/912; Y10S411/00; Y10S411/90; Y10S411/901; Y10S411/902; Y10S411/914; Y10S464/00; Y10S464/902; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; 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) | 1933-04-07 | 1933-10-07 | 1934-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-07 | 1937-10-07 | 1938-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-07 | 1941-10-07 | 1942-04-08 | $7700.00 | Window Closed / Lapsed |