US1280892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing elastic helical gear-wheel.
Assignee: General Electric Co
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Filing: 1917-11-09
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Granted: 1918-10-08
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Expires: 1937-11-09
Abstract
No abstract record available.
Inventors
- 👤 Christian Steenstrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:50
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T409/00; Y10T409/10
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) | 1921-10-07 | 1922-04-08 | 1922-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-10-07 | 1926-04-08 | 1926-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-10-07 | 1930-04-08 | 1930-10-08 | $7700.00 | Window Closed / Lapsed |