US2952270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-freezing ball cock valve
Assignee: Mansfield Sanitary Inc
•
Filing: 1958-08-06
•
Granted: 1960-09-13
•
Expires: 1978-08-06
Abstract
No abstract record available.
Inventors
- 👤 Howard A Fulton
- 👤 Henry Ira Glenn
- 👤 Laird I Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:12
CPC Classifications
E; E03; E03B; E03B7/00; E03B7/09; E03B7/10; E03B9/00; E03B9/02; E03B9/025; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T403/00; Y10T403/67
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US723832A
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US1070453A
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US1412042A
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US1888359A
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US2255997A
Cited
US2761713A
Cited
US2810395A
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US2808069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |