US3248161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwasher door counterbalancing apparatus
Assignee: —
•
Filing: —
•
Granted: 1966-04-26
•
Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:25
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4251; A47L15/4257; A47L15/4261; E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1207; E05F1/1223; E05Y; E05Y2900/00; E05Y2900/30; E05Y2900/304
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
185 words
IN THE COMBINATION OF A HOUSING STRUCTURE INCLUDING SIDE WALLS, A DOOWARY HAVING SPACED SIDES, A DOOR PIVOTALLY MOUNTED WITH RESPECT TO SAID HOUSING AND SAID DOORWAY AND MOVABLE BETWEEN AN OPEN POSITION AND A CLOSED POSITION CLOSING SAID DOORWAY, AND A COUNTERBALANCING MECHANISM FOR SAID PIVOTALLY MOUNTED DOOR, THE IMPROVEMENT COMPRISING: SAID COUNTERBALANCING MECHANISM INCLUDING A FLEXIBLE, ELONGATED MEMBER HAVING TWO END PORTIONS MEANS FOR ATTACHING ONE OF SAID END PORTIONS INTO SAID DOOR AND ADJACENT ONE SIDE OF SAID DOORWAY, MEANS FOR ATTACHING THE OTHER OF SAID END PORTIONS ONTO SAID HOUSING AND ADJACENT THE OTHER SIDE OF SAID DOORWAY, A BEARING BLOCK SECURED ONTO SAID DOOR ADJACENT SAID OTHER SIDE OF SAID DOORWAY, SAID ELONGATED MEMBER EXTENDING ACROSS SAID DOOR AND AROUND SAID BEARING BLOCK, SAID BEARING BLOCK HAVING A SURFACE FRCTIONALLY ENGAGING SAID MEMBER WHEREBY SAID SURFACE RESTRAINS MOVEMENT OF SAID MEMBER ALONG SAID SURFACE TO HOLD SAID MEMBER IN AN INFINITE VARIETY OF ADJUSTED POSITIONS ON SAID BEARING BLOCK, AND SAID ELONGATED MEMEBR INCLUDING AN ELASTIC, EXPANDABLE SECTION INTERMEDIATE SAID DOORWAY SIDES TO URGE SAID DOOR TOWARD THE CLOSED POSITION.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |