US3421556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door dividing machine
Assignee: GLEN MAR DOOR Mfg CO
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Filing: 1966-10-24
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Granted: 1969-01-14
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Expires: 1986-10-24
Abstract
No abstract record available.
Inventors
- 👤 Robert S Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:55
CPC Classifications
B; B27; B27G; B27G19/00; B27G19/10; B27B; B27B5/00; B27B5/02; B27B5/06; B27B5/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A DOOR DIVIDING MACHINE THE COMBINATION OF: A FRAME; A CONVEYOR ON SAID FRAME COMPRISING A SINGLE DOOR RECEIVING END AND A DOUBLE DOOR DELIVERY END; SAID CONVEYOR HAVING MEANS ENGAGEABLE WITH DOORS FOR FORCING SAID DOORS FROM SAID RECEIVING END TO SAID DELIVERY END; A PAIR OF POWER DRIVEN GROOVING CUTTERS ROTATABLY MOUNTED ON SAID FRAME AND DISPOSED IN A SUBSTANTIALLY COMMON VERTICAL PLANE TO CUT GROOVES IN UPPER AND LOWER SIDES OF DOORS WHEN MOVED FROM SAID RECEIVING END TOWARD SAID DELIVERY END; A SAW ALIGNED WITH SAID CUTTERS AND SPACED FROM SAID CUTTERS TOWARD SAID DELIVERY END WHEREBY SAID SAW, SAWS THROUGH A DOOR WITHIN THE CONFINES OF THE UPPER AND LOWER GROOVES IN A DOOR FORMED BY SAID CUTTERS, AND WHEREBY A WIDE DOOR IS THUS DIVIDED INTO A PAIR OF RELATIVELY NARROW DOORS; WEDGE MEANS ON SAID FRAME AND DISPOSED IN SPACE RELATION FROM SAID SAW AND IN A DIRECTION
Claim 2
Dependent Claim
156 words
IN A DOOR DIVIDING MACHINE THE COMBINATION OF: A FRAME; A CONVEYOR ON SAID FRAME COMPRISING A SINGLE DOOR RECEIVING END AND A DOUBLE DOOR DELIVERY END; SAID CONVEYOR HAVING MEANS ENGAGEABLE WITH DOORS FOR FORCING SAID DOORS FROM SAID RECEIVING END TO SAID DELIVERY END; A PAIR OF POWER DRIVEN GROOVING CUTTERS ROTATABLY MOUNTED ON SAID FRAME AND DISPOSED IN A SUBSTANTIALLY COMMON VERTICAL PLANE TO CUT GROOVES IN UPPER AND LOWER SIDES OF DOORS WHEN MOVED FROM SAID RECEIVING END TOWARD SAID DELIVERY END; A SAW ALIGNED WITH SAID CUTTERS AND SPACED FROM SAID CUTTERS TOWARD SAID DELIVERY END WHEREBY SAID SAW, SAWS THROUGH A DOOR WITHIN THE CONFINES OF THE UPPER AND LOWER GROOVES IN A DOOR FORMED BY SAID CUTTERS, AND WHEREBY A WIDE DOOR IS THUS DIVIDED INTO A PAIR OF RELATIVELY NARROW DOORS; WEDGE MEANS ON SAID FRAME AND DISPOSED IN SPACE RELATION FROM SAID SAW AND IN A DIRECTION
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |