Patent US2973179A successfully refreshed from Google Patents.
US2973179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball faucet valve
Assignee: Individual
•
Filing: 1958-02-11
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Granted: 1961-02-28
•
Expires: 1978-02-11
Abstract
No abstract record available.
Inventors
- 👤 Kleinschmidt Harry
- 👤 Herman A Stoffel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:26
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE71256C
Cited
US230175A
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US994268A
Cited
GB156823A
Cited
US1529583A
Cited
US1508047A
Cited
US1871072A
Cited
GB444516A
Cited
US2375980A
Cited
US2841167A
Cited
US2828936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |