Patent US3539977A successfully refreshed from Google Patents.
US3539977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical terminal
Assignee: OSKAR WOERTZ INH H AND O WOERTZ
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Filing: 1968-11-04
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Granted: 1970-11-10
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Expires: 1988-11-04
Abstract
No abstract record available.
Inventors
- 👤 Hans Woertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:04
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/28; H01R4/30; H01R4/36; H01R4/363; H01R9/00; H01R9/22; H01R9/24; H01R9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124409A
Cited
US1810901A
Cited
DE736802C
Cited
US2950457A
Cited
US2805402A
Cited
US3246283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |