US2832118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferrule
Assignee: Electric Steel Foundry Co
•
Filing: 1956-01-30
•
Granted: 1958-04-29
•
Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Leslie G Ehmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:53
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/02; Y; Y10; Y10S; Y10S403/00; Y10S403/02; Y10T; Y10T24/00; Y10T24/39; Y10T24/398; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T403/00; Y10T403/49; Y10T403/4983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20074E
Cited
US1293383A
Cited
US1993010A
Cited
GB405784A
Cited
US2209673A
Cited
US2283020A
Cited
US2375481A
Cited
US2346412A
Cited
US2621385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |