US2974186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain relief bushing
Assignee: HEYMAN Mfg CO Inc
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Filing: 1958-10-03
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Granted: 1961-03-07
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Expires: 1978-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Ferdinand Klumpp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:12
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616; H02G3/0625; H02G3/0633; H01; H01R; H01R13/00; H01R13/58; H01R13/5804; H01R13/5816
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |