Patent US3195174A successfully refreshed from Google Patents.
US3195174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash balance connecting means
Assignee: Caldwell Manufacturing Co Inc
•
Filing: 1961-08-16
•
Granted: 1965-07-20
•
Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Nobes William Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:13
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/04; E05D13/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A SASH BALANCE CONNECTOR FOR MAINTAINING A SASH BALANCE IN A FIXED POSITION WHEN SAID BALANCE IS EXTENDED SO AS TO PERMIT THE REMOVAL OF A TAKE-OUT WINDOW COMPRISING A ROTATABLE WHEEL HAVING A NOTCHED PORTION OF A SUBSTANTIALLY V-SHAPED CONFIGURATION ATTACHED TO A TAKEOUT SASH CARRYING PLATFORM AND MOVABLE ON A PLATFORM TRACK, A STOP FOR COOPERATING WITH SAID ROTATABLE WHEEL POSITIONED ON SAID PLATFORM TRACK, TO ROTATE SAID WHEEL INTO ENGAGING POSITION WITH A LATCH RETAINER, SO AS TO MAINTAIN SAID PLATFORM IN A FIXED POSITION, FOR THE REMOVAL OF SAID TAKE-OUT WINDOW, SAID LATCH RETAINER ALSO COOPERATING WITH SAID ROTATABLE WHEEL TO ALIGN SAID ROTATABLE WHEEL IN POSITION FOR MOVEMENT WITH SAID SASH CARRYING PLATFORM.
References Cited (Backward Citations)
US804721A
Cited
GB190804006A
Cited
US1011734A
Cited
US999292A
Cited
US1070852A
Cited
US1932906A
Cited
US2517059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |