US3061337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary fluid connector with noncommunicating passageways
Assignee: PERFECTING SERVICE CO
•
Filing: 1958-03-05
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Granted: 1962-10-30
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Expires: 1978-03-05
Abstract
No abstract record available.
Inventors
- 👤 Harmon L Shaw
- 👤 Frank E Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:31
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/302; B23Q; B23Q1/00; B23Q1/0009; B23Q1/0018; B23Q1/0027; F; F16; F16L; F16L39/00; F16L39/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2489212A
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US2672357A
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US2637491A
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US2626166A
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US2577858A
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US2758850A
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US2877026A
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US2836440A
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US2985468A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |