US3118169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door guide
Assignee: Lawrence Brothers Inc
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Filing: 1961-03-10
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Granted: 1964-01-21
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Foltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:11
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/0656; E05D15/08; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/684; E05Y2600/00; E05Y2600/40; E05Y2600/45; E05Y2600/452; E05Y2600/46; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
IN A GUIDE FOR SLIDING DOORS, THE COMBINATION COMPRISING: A BASE PLATE ADAPTED TO BE FISEX IN POSITION BENEATH THE LOWER EDGES OF SAID DOORS, SAID PLATE HAVING A CENTRAL APERTURE AND A SLOT EXTENDING RADIALLY OUTWARDLY FROM THE EDGE OF SAID APERTURE; AND AN ANTI-FRICTION MEMBER HAVING AN AXIALLY ELONGATED POST PORTION WHICH DEFINES SURFACE MEANS AND HAVING A SHOULDER PORTION UNDERLYING THE POST PORTION FOR ABUTTING THE UPPER SURFACE OF SAID PLATE, SAID MEMBER FURTHER HAVING A BUSHING PORTION UNDERLYING SAID SHOULDER PORTION TO BE SLIDABLY AND ROTATABLY RECEIVABLE IN SAID APERTURE, SAID MEMBER ADDITIONALLY HAVING A LUG RADIATING FROM SAID BUSHING PORTION SPACED APART FROM SAID SHOULDER PORTION AND ADAPTED TO PASS FREELY THROUGH SAID SLOT, WHEREBY SAID MEMBER IS ASSEMBLABLE TO SAID PLATE BY ALIGNING SAID BUSHING PORTION WITH SAID APERTURE AND BY ALIGNING SAID LUG WITH SAID SLOT, SUBSEQUENT SLIDING OF SAID BUSHING PORTION INTO SAID APERTURE AND ROTATION OF SAID MEMBER RELATIVE TO SAID PLATE LOCKING SAID MEMBER AGAINST AXIAL MOVEMENT, SAID POST PORTION UPSTANDING FROM SAID PLATE INTERJACENT SAID DOORS UPON ASSEMBLY WITH SAID PLATE TO CONTACT OPPOSED FACES OF SAID DOORS SLIDINGLY WITH SAID SURFACE MEANS AND TO MAINTAIN SAID DOORS IN HORIZONTALLY SPACED RELATIONSHIP.
Claim 2
Dependent Claim
203 words
IN A GUIDE FOR SLIDING DOORS, THE COMBINATION COMPRISING: A BASE PLATE ADAPTED TO BE FISEX IN POSITION BENEATH THE LOWER EDGES OF SAID DOORS, SAID PLATE HAVING A CENTRAL APERTURE AND A SLOT EXTENDING RADIALLY OUTWARDLY FROM THE EDGE OF SAID APERTURE; AND AN ANTI-FRICTION MEMBER HAVING AN AXIALLY ELONGATED POST PORTION WHICH DEFINES SURFACE MEANS AND HAVING A SHOULDER PORTION UNDERLYING THE POST PORTION FOR ABUTTING THE UPPER SURFACE OF SAID PLATE, SAID MEMBER FURTHER HAVING A BUSHING PORTION UNDERLYING SAID SHOULDER PORTION TO BE SLIDABLY AND ROTATABLY RECEIVABLE IN SAID APERTURE, SAID MEMBER ADDITIONALLY HAVING A LUG RADIATING FROM SAID BUSHING PORTION SPACED APART FROM SAID SHOULDER PORTION AND ADAPTED TO PASS FREELY THROUGH SAID SLOT, WHEREBY SAID MEMBER IS ASSEMBLABLE TO SAID PLATE BY ALIGNING SAID BUSHING PORTION WITH SAID APERTURE AND BY ALIGNING SAID LUG WITH SAID SLOT, SUBSEQUENT SLIDING OF SAID BUSHING PORTION INTO SAID APERTURE AND ROTATION OF SAID MEMBER RELATIVE TO SAID PLATE LOCKING SAID MEMBER AGAINST AXIAL MOVEMENT, SAID POST PORTION UPSTANDING FROM SAID PLATE INTERJACENT SAID DOORS UPON ASSEMBLY WITH SAID PLATE TO CONTACT OPPOSED FACES OF SAID DOORS SLIDINGLY WITH SAID SURFACE MEANS AND TO MAINTAIN SAID DOORS IN HORIZONTALLY SPACED RELATIONSHIP.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |