Patent DE654224C successfully refreshed from Google Patents.
US2724736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring type strain-relief bushing
Assignee: Individual
•
Filing: 1953-02-27
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Granted: 1955-11-22
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Expires: 1973-02-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Ferdinand Klumpp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:04
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/56; H01B17/58; H01R; H01R13/00; H01R13/58; H01R13/5804; H01R13/5816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563604A
Cited
US1492335A
Cited
US1950036A
Cited
FR695525A
Cited
FR40162E
Cited
US2424758A
Cited
US2472986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |