US3432191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable coupling
Assignee: ANDREW IND Inc
•
Filing: 1966-10-10
•
Granted: 1969-03-11
•
Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Ludeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:11
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US883941A
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US1428933A
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FR595558A
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US1754639A
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US1821862A
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US2455982A
Cited
US2482175A
Cited
US2481258A
Cited
DE940025C
Cited
DE1004436B
Cited
US2971782A
Cited
US3163222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |