US2641491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Replacement t or fitting
Assignee: Mueller Co
•
Filing: 1949-01-14
•
Granted: 1953-06-09
•
Expires: 1969-01-14
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mueller
- 👤 Walter J Bowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:41
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/16; F16L55/162; F16L55/165; F16L55/1657; F16L41/00; F16L41/02; F16L41/021; Y; Y10; Y10S; Y10S285/00; Y10S285/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US616578A
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US1200851A
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US1289575A
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GB276215A
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US1918442A
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US2017717A
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US1978547A
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US2179045A
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US2268263A
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GB571935A
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US2493248A
Cited
US2546348A
Cited
US2482687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |