US3477693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam operated fluid valve
Assignee: PERRY S BEZANIS
•
Filing: 1966-12-16
•
Granted: 1969-11-11
•
Expires: 1986-12-16
Abstract
No abstract record available.
Inventors
- 👤 Perry S Bezanis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:33
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/12; F16K7/14; F16K7/16; F16K31/00; F16K31/44; F16K31/52; F16K31/524; F16K31/52491
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE154001C
Cited
FR854650A
Cited
US2211167A
Cited
DE811416C
Cited
FR1121474A
Cited
GB853469A
Cited
US2940474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |