US3084377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sash balance
Assignee: Majik Ironers Inc
•
Filing: 1959-10-26
•
Granted: 1963-04-09
•
Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:03
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/1253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A SASH BALANCE COMPRISING, IN COMBINATION WITH A WINDOW HAVING A FRAME AND A SASH SLIDABLE IN THE FRAME, AN ELONGATED TORSIONALLY RESILIENT AND HELICALLY TWISTED STRIP OF NONCIRCULAR CROSS SECTION, A FOLLOWER MOVABLE LONGITUDINALLY OF THE STRIP AND HAVING PARTS COMPLEMENTARY IN SHAPE TO THE STRIP TO BE NONROTATABLE BUT LONGITUDINALLY SLIDABLE RELATIVE THERETO, AND MEANS SECURING THE FOLLOWER AND ONE END OF THE STRIP RIGIDLY TO THE SASH AND FRAME RESPECTIVELY, THE STRIP BEING FREE TO TURN THROUGH TORSIONAL TWISTING EXCEPT ADJACENT TO SAID ONE END SO THAT THE STRIP WILL BE TORSIONALLY TWISTED AS THE SASH IS MOVED IN THE FRAME.
Claim 2
Dependent Claim
104 words
A SASH BALANCE COMPRISING, IN COMBINATION WITH A WINDOW HAVING A FRAME AND A SASH SLIDABLE IN THE FRAME, AN ELONGATED TORSIONALLY RESILIENT AND HELICALLY TWISTED STRIP OF NONCIRCULAR CROSS SECTION, A FOLLOWER MOVABLE LONGITUDINALLY OF THE STRIP AND HAVING PARTS COMPLEMENTARY IN SHAPE TO THE STRIP TO BE NONROTATABLE BUT LONGITUDINALLY SLIDABLE RELATIVE THERETO, AND MEANS SECURING THE FOLLOWER AND ONE END OF THE STRIP RIGIDLY TO THE SASH AND FRAME RESPECTIVELY, THE STRIP BEING FREE TO TURN THROUGH TORSIONAL TWISTING EXCEPT ADJACENT TO SAID ONE END SO THAT THE STRIP WILL BE TORSIONALLY TWISTED AS THE SASH IS MOVED IN THE FRAME.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |