US3165124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line blind
Assignee: FMC Corp
•
Filing: 1962-11-09
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Granted: 1965-01-12
•
Expires: 1982-11-09
Abstract
No abstract record available.
Inventors
- 👤 George P Ausburn
- 👤 William M Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:32
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/30; F16K3/312
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
99 words
IN A LINE BLIND INCLUDING A TUBULAR BODY HAVING FLOW PASSAGE MEANS THERETHROUGH AND A SLOT DISPOSED TRANSVERSELY OF SAID PASSAGE MEANS; A SPECTACLE PLATE DISPOSED IN THE GENERAL PLANE OF THE SLOT AND HAVING PERFORATE AND IMPERFORATE PORTIONS ALTERNATIVELY POSITIONABLE IN THE PASSAGE MEANS; AND SEPARABLE INTERENGAGEABLE GUIDE MEANS ON THE BODY AND THE SPECTACLE PLATE FOR GUIDING EACH OF SAID PORTIONS INTO ITS RESPECTIVE CLOSED AND OPEN POSITION IN ALIGNMENT WITH SAID FLOW PASSAGE MEANS UPON FIRST LOCATING SAID PORTION IN SAID SLOT AND THEN MOVING SAID PORTION IN SAID SLOT TRANSVERSELY OF SAID FLOW PASSAGE MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |