US3203575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalancing lid support
Assignee: National Lock Co
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Filing: 1963-08-19
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Granted: 1965-08-31
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Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Anderson
- 👤 Leonard K Ploughman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/1041; E05F1/105; E05F1/1058; E05Y; E05Y2900/00; E05Y2900/30; E05Y2900/312
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A COUNTERBALANCING LID SUPPORT FOR THE PIVOTALLY MOUNTED LID OF A CABINET, COMPRISING A CABINET WING HAVING A HORIZONTAL FLANGE SECURED TO A CABINET AND A VERTICAL FLANGE EXTENDING UPWARDLY AND REARWARDLY OF THE HORIZONTAL FLANGE, A LID WING HAVING AN ARM PIVOTALLY MOUNTED ON THE REAR END OF SAID VERTICAL FLANGE AND AN ARM AT RIGHT ANGLES TO THE FIRST ARM AND SECURED TO THE REAR OF THE LID FOR THE CABINET, AN ELONGATED HOUSING SECURED TO A SIDE OF THE LID SPACED FORWARDLY OF THE LID WING AND PROVIDED WITH A LONGITUDINAL PASSAGE THERETHROUGH CLOSED AT THE FORWARD END, SAID HOUSING HAVING ALIGNED ELONGATED SLOTS ON OPPOSITE SIDES OF THE HOUSING AND COMMUNICATING WITH SAID PASSAGE, A COMPRESSION SPRING LOCATED IN THE PASSAGE IN THE HOUSING WITH ONE END SEATING AGAINST THE CLOSED END OF THE HOUSING AND A FREE END, A PIN SLIDABLY MOUNTED IN AND EXTENDING TRANSVERSELY
Claim 2
Dependent Claim
151 words
A COUNTERBALANCING LID SUPPORT FOR THE PIVOTALLY MOUNTED LID OF A CABINET, COMPRISING A CABINET WING HAVING A HORIZONTAL FLANGE SECURED TO A CABINET AND A VERTICAL FLANGE EXTENDING UPWARDLY AND REARWARDLY OF THE HORIZONTAL FLANGE, A LID WING HAVING AN ARM PIVOTALLY MOUNTED ON THE REAR END OF SAID VERTICAL FLANGE AND AN ARM AT RIGHT ANGLES TO THE FIRST ARM AND SECURED TO THE REAR OF THE LID FOR THE CABINET, AN ELONGATED HOUSING SECURED TO A SIDE OF THE LID SPACED FORWARDLY OF THE LID WING AND PROVIDED WITH A LONGITUDINAL PASSAGE THERETHROUGH CLOSED AT THE FORWARD END, SAID HOUSING HAVING ALIGNED ELONGATED SLOTS ON OPPOSITE SIDES OF THE HOUSING AND COMMUNICATING WITH SAID PASSAGE, A COMPRESSION SPRING LOCATED IN THE PASSAGE IN THE HOUSING WITH ONE END SEATING AGAINST THE CLOSED END OF THE HOUSING AND A FREE END, A PIN SLIDABLY MOUNTED IN AND EXTENDING TRANSVERSELY
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |