US3386612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quick-opening lid for pressure vessels
Assignee: HALE RUBY O
•
Filing: 1966-07-20
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Granted: 1968-06-04
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Expires: 1986-07-20
Abstract
No abstract record available.
Inventors
- 👤 Creal E Kirkwood
- 👤 Hale Loren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:12
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A QUICK-OPENING LID FOR A PRESSURE VESSEL HAVING AN OPENING THEREIN COMPRISING: A LID CLOSING SAID VESSEL OPENING, SAID LID HAVING A SMALL DIAMETER OPENING THEREIN, PIVOT MEANS AT ONE EDGE OF SAID LID PIVOTALLY SUPPORTING SAID LID TO SAID VESSEL, SPACED APART LATCHING MEMBERS EXTENDING FROM THE PERIPHERY OF SAID LID AT THE EDGE THEREOF OPPOSITE SAID PIVOT MEANS, EACH OF SAID LATCHING MEMBERS HAVING PERIPHERIES PARTIALLY DEFINED BY AN ARCUATE RECESSED AREA, A CLOSURE MEANS PIVOTED TO SAID VESSEL ADJACENT SAID LATCHING MEMBERS WHEN SAID LID IS IN CLOSED POSITION, SAID CLOSURE MEANS PIVOTED BETWEEN OPEN AND CLOSED POSITIONS, A ROTATABLE CAM MEMBER CARRIED BY SAID PIVOTED CLOSURE MEANS, SAID CAM MEMBER ENGAGING SAID ARCUATE PERIPHERIES OF SAID LATCHING MEMBERS WHEN SAID CLOSURE MEANS IS IN THE CLOSED POSITION, SAID CAM MEMBER ROTATABLE IN ONE DIRECTION TO FORCE SAID LID INTO SEALED RELATION TO SAID VESSEL OPENING AND ROTATABLE IN THE OPPOSITE DIRECTION TO RELEASE SAID LID,
Claim 2
Dependent Claim
159 words
A QUICK-OPENING LID FOR A PRESSURE VESSEL HAVING AN OPENING THEREIN COMPRISING: A LID CLOSING SAID VESSEL OPENING, SAID LID HAVING A SMALL DIAMETER OPENING THEREIN, PIVOT MEANS AT ONE EDGE OF SAID LID PIVOTALLY SUPPORTING SAID LID TO SAID VESSEL, SPACED APART LATCHING MEMBERS EXTENDING FROM THE PERIPHERY OF SAID LID AT THE EDGE THEREOF OPPOSITE SAID PIVOT MEANS, EACH OF SAID LATCHING MEMBERS HAVING PERIPHERIES PARTIALLY DEFINED BY AN ARCUATE RECESSED AREA, A CLOSURE MEANS PIVOTED TO SAID VESSEL ADJACENT SAID LATCHING MEMBERS WHEN SAID LID IS IN CLOSED POSITION, SAID CLOSURE MEANS PIVOTED BETWEEN OPEN AND CLOSED POSITIONS, A ROTATABLE CAM MEMBER CARRIED BY SAID PIVOTED CLOSURE MEANS, SAID CAM MEMBER ENGAGING SAID ARCUATE PERIPHERIES OF SAID LATCHING MEMBERS WHEN SAID CLOSURE MEANS IS IN THE CLOSED POSITION, SAID CAM MEMBER ROTATABLE IN ONE DIRECTION TO FORCE SAID LID INTO SEALED RELATION TO SAID VESSEL OPENING AND ROTATABLE IN THE OPPOSITE DIRECTION TO RELEASE SAID LID,
References Cited (Backward Citations)
US3045861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |