US2775469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split pipe sleeve with means to prevent incorrect assembly
Assignee: Mueller Co
•
Filing: 1953-07-31
•
Granted: 1956-12-25
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Oscar E Brown
- 👤 Hugh L Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:31
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/021; F16L41/04; F16L41/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US631867A
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US732400A
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US896333A
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US1782567A
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US1911126A
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US2230287A
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US2690193A
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US2635552A
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US2640471A
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US2748454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |