US1638012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank for gears and method of making the same
Assignee: General Electric Co
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Filing: 1924-04-11
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Granted: 1927-08-09
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Expires: 1944-04-11
Abstract
No abstract record available.
Inventors
- 👤 Addison C Hoof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:34
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49478; Y10T29/4948; Y10T428/00; Y10T428/21; Y10T428/211; Y10T428/24; Y10T428/24132; Y10T428/24174; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2925; Y10T428/2933; Y10T428/2936; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31971
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) | 1930-08-08 | 1931-02-07 | 1931-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-08-08 | 1935-02-07 | 1935-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-08-08 | 1939-02-07 | 1939-08-09 | $7700.00 | Window Closed / Lapsed |