US1908187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing metallic gear wheels
Assignee: General Electric Co
•
Filing: 1930-04-18
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Granted: 1933-05-09
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Expires: 1950-04-18
Abstract
No abstract record available.
Inventors
- 👤 Aubrey A Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:14
CPC Classifications
B; B23; B23K; B23K28/00; B23K28/02; Y; Y10; Y10S; Y10S74/00; Y10S74/10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49476; Y10T29/4948; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18104; Y10T74/19; Y10T74/19949; Y10T74/19963
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) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |