US2685461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling
Assignee: Mueller Co
•
Filing: 1949-09-22
•
Granted: 1954-08-03
•
Expires: 1969-09-22
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:01
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/02; F16L19/025; F16L19/028; F16L19/0283; F16L19/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49938; Y10T29/4994; Y10T403/00; Y10T403/49; Y10T403/4941
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) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |