Patent US2653791A successfully refreshed from Google Patents.
US2653791A
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Assignee: Mueller Co
•
Filing: 1951-04-27
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Granted: 1953-09-29
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Expires: 1971-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:22
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/0257; F16K5/0278; F16K5/08; F16K5/22; F16K5/222; Y; Y10; Y10S; Y10S277/00; Y10S277/91; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4393
Claims Analysis
Total Claims: 0
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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) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |