US2504776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supporting structure
Assignee: General Electric Co
•
Filing: 1945-11-29
•
Granted: 1950-04-18
•
Expires: 1965-11-29
Abstract
No abstract record available.
Inventors
- 👤 Woodfield Thomas Henry
- 👤 Morton Cecil James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:53
CPC Classifications
F; F16; F16C; F16C27/00; F16C27/04; F16C25/00; F16C25/06; F16C25/08; F16C25/083; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2380/00; F16C2380/26; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR407166A
Cited
US1423950A
Cited
US2012997A
Cited
GB315352A
Cited
US1978527A
Cited
US1961323A
Cited
US2062290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |