US2937657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire valve and apparatus for replacing parts thereof
Assignee: Mueller Co
•
Filing: 1955-10-11
•
Granted: 1960-05-24
•
Expires: 1975-10-11
Abstract
No abstract record available.
Inventors
- 👤 Frank B Miller
- 👤 Cecil R Foltz
- 👤 John J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:37
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6154; Y10T137/6157; Y10T137/9247; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/53; Y10T29/53552
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) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |