US3196482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalance hinge assembly
Assignee: National Lock Co
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Filing: 1963-02-21
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Granted: 1965-07-27
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Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Wayne C Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:56
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A COUNTERBALANCE HINGE ASSEMBLY FOR A DOOR PIVOTALLY MOUNTED IN AN ENCLOSURE, COMPRISING A MOUNTING BRACKET SECURED TO THE ENCLOSURE, AN UPPER WING ON SAID BRACKET AND EXTENDING REARWARD THEREOF, LOWER WING ON THE BRACKET EXTENDING FORWARDLY THEREOF AND HAVING AN OPENING THEREIN, A ROD FORMING A PIVOTAL AXIS FOR AND SECURED ADJACENT THE LOWER EDGE OF THE DOOR TO ROTATE THEREWITH, A TOGGLE ACTION SPRING SASSEMBLY INCLUDING A STOP ARM HAVING AN ANGULARLY ARRANGED END, SAID ROD EXTENDING THROUGH THE OPENING IN THE LOWER WING AND SECURED TO ONE END OF THE STOP ARM TO CAUSE THE ARM TO ROTATE THEREWITH, A SPRING ASSEMBLY PIVOTALLY MOUNTED AT ONE END TO SAID UPPER WING AND PIVOTALLY MOUNTED AT THE OPPOSITE END TO THE ANGULARLY ARRANGED END OF THE STOP ARM, SAID SPRING ASSEMBLY INCLUDING A PAIR OF OPPOSED
Claim 2
Dependent Claim
138 words
A COUNTERBALANCE HINGE ASSEMBLY FOR A DOOR PIVOTALLY MOUNTED IN AN ENCLOSURE, COMPRISING A MOUNTING BRACKET SECURED TO THE ENCLOSURE, AN UPPER WING ON SAID BRACKET AND EXTENDING REARWARD THEREOF, LOWER WING ON THE BRACKET EXTENDING FORWARDLY THEREOF AND HAVING AN OPENING THEREIN, A ROD FORMING A PIVOTAL AXIS FOR AND SECURED ADJACENT THE LOWER EDGE OF THE DOOR TO ROTATE THEREWITH, A TOGGLE ACTION SPRING SASSEMBLY INCLUDING A STOP ARM HAVING AN ANGULARLY ARRANGED END, SAID ROD EXTENDING THROUGH THE OPENING IN THE LOWER WING AND SECURED TO ONE END OF THE STOP ARM TO CAUSE THE ARM TO ROTATE THEREWITH, A SPRING ASSEMBLY PIVOTALLY MOUNTED AT ONE END TO SAID UPPER WING AND PIVOTALLY MOUNTED AT THE OPPOSITE END TO THE ANGULARLY ARRANGED END OF THE STOP ARM, SAID SPRING ASSEMBLY INCLUDING A PAIR OF OPPOSED
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |