Patent US3191244A successfully refreshed from Google Patents.
US3191244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional cooler latch
Assignee: National Lock Co
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Filing: 1962-03-27
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Granted: 1965-06-29
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Expires: 1982-03-27
Abstract
No abstract record available.
Inventors
- 👤 William O Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:40
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B65/0817; Y; Y10; Y10S; Y10S52/00; Y10S52/01; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
240 words
A LATCH ASSEMBLY MOUNTED IN ONE OF A PAIR OF ADJOINING PANELS FOR LATCHING ENGAGEMENT WITH A LATCH PIN IN THE OTHER PANEL FOR JOINING THE PANELS IN ABUTTING RELATION, COMPRISING A HOUSING HAVING SPACED SIDES WITH ALIGNED OPENINGS THEREIN, ANCHORING FLANGES ON SAID SIDES AND A CONNECTING PORTION FOR SAID SIDES, AND A LATCH BOLT ASSEMBLY ROTATABLY MOUNTED IN SAID HOUSING INCLUDING A LATCH BOLT HAVING A BODY PORTION WITH A CENTRAL CIRCULAR OPENING THEREIN, AN ARM EXTENDING FROM THE BODY PORTION AND OFFSET FROM THE CENTER THEREOF, SAID ARM TERMINATING IN A HOOK PARTION ADAPTED TO ENGAGE THE LATCH PIN IN THE ADJOINING PORTION, LOCKING PROJECTION EXTENDING FROM SAID BODY PORTION, LOCKING MEANS ON SAID HOUSING COOPERATING WITH SAID LOCKING PROJECTION TO RETAIN THE BOLT IN UNLATCHED POSITION, A PAIR OF CIRCULAR CAM MEMBERS OF A DIAMETER GREATER THAN THE CENTRAL OPENING HAVING CENTRALLY CIRCULAR DEPRESSED PORTIONS RECEIVED WITHIN THE OPENING IN THE BODY PORTION WITH A CAM MEMBER ON EACH SIDE OF AND FRICTIONALLY ENGAGING THE LATCH BOLT, SAID CENTRAL DEPRESSED PORTIONS ABUTTING AND SECURED TOGETHER, SAID CAM MEMBERS HAVING ALIGNED OFFSET OPENINGS EXTENDING THROUGH THE DEPRESSED PORTIONS TO RECEIVE A SUITABLE TOOL FOR ROTATION OF THE CAM MEMBERS, AN EAR FORMED ON THE PERIPHERY OF EACH CAM MEMBER AND A PAIR OF SPACED PINS ON THE BODY PORTION OF THE LATCH BOLT COOPERATING WITH SAID EARS TO LIMIT THE ARC OF MOVEMENT OF THE CAM MEMBERS.
Claim 2
Dependent Claim
240 words
A LATCH ASSEMBLY MOUNTED IN ONE OF A PAIR OF ADJOINING PANELS FOR LATCHING ENGAGEMENT WITH A LATCH PIN IN THE OTHER PANEL FOR JOINING THE PANELS IN ABUTTING RELATION, COMPRISING A HOUSING HAVING SPACED SIDES WITH ALIGNED OPENINGS THEREIN, ANCHORING FLANGES ON SAID SIDES AND A CONNECTING PORTION FOR SAID SIDES, AND A LATCH BOLT ASSEMBLY ROTATABLY MOUNTED IN SAID HOUSING INCLUDING A LATCH BOLT HAVING A BODY PORTION WITH A CENTRAL CIRCULAR OPENING THEREIN, AN ARM EXTENDING FROM THE BODY PORTION AND OFFSET FROM THE CENTER THEREOF, SAID ARM TERMINATING IN A HOOK PARTION ADAPTED TO ENGAGE THE LATCH PIN IN THE ADJOINING PORTION, LOCKING PROJECTION EXTENDING FROM SAID BODY PORTION, LOCKING MEANS ON SAID HOUSING COOPERATING WITH SAID LOCKING PROJECTION TO RETAIN THE BOLT IN UNLATCHED POSITION, A PAIR OF CIRCULAR CAM MEMBERS OF A DIAMETER GREATER THAN THE CENTRAL OPENING HAVING CENTRALLY CIRCULAR DEPRESSED PORTIONS RECEIVED WITHIN THE OPENING IN THE BODY PORTION WITH A CAM MEMBER ON EACH SIDE OF AND FRICTIONALLY ENGAGING THE LATCH BOLT, SAID CENTRAL DEPRESSED PORTIONS ABUTTING AND SECURED TOGETHER, SAID CAM MEMBERS HAVING ALIGNED OFFSET OPENINGS EXTENDING THROUGH THE DEPRESSED PORTIONS TO RECEIVE A SUITABLE TOOL FOR ROTATION OF THE CAM MEMBERS, AN EAR FORMED ON THE PERIPHERY OF EACH CAM MEMBER AND A PAIR OF SPACED PINS ON THE BODY PORTION OF THE LATCH BOLT COOPERATING WITH SAID EARS TO LIMIT THE ARC OF MOVEMENT OF THE CAM MEMBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |