US3507475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Faucet valve
Assignee: John E Mitchell Co
•
Filing: 1966-09-06
•
Granted: 1970-04-21
•
Expires: 1986-09-06
Abstract
No abstract record available.
Inventors
- 👤 Norman E Davis
- 👤 Richard L Roden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:36
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/14; B67D1/1405; B67D1/1438; F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/243; F16K31/00; F16K31/44; F16K31/52; F16K31/528; F16K31/5286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US937096A
Cited
US2084397A
Cited
US2593527A
Cited
US2568520A
Cited
GB742080A
Cited
US2939723A
Cited
US2980392A
Cited
US3406705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-20 | 1973-10-20 | 1974-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-20 | 1977-10-20 | 1978-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-20 | 1981-10-20 | 1982-04-21 | $7700.00 | Window Closed / Lapsed |