US3206795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking automatically-releasing sash balance
Assignee: Formetal Inc
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Filing: 1963-05-06
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Granted: 1965-09-21
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Weidner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:31
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E06B2003/4438; E06B2003/4446
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A SELF-LOCKING AUTOMATICALLY-RELEASING SAHS BALANCE FOR REMOVABLE SLIDING SASH WINDOWS, SAID SASH BALANCE COMPRISING AN ELONGATED HOLLOW SAHS BALANCE CASING HAVING AN ELONGATED OPENING EXTENDING LENGTHWISE THEREOF, A RESILIENT SASH BALANCING MEMBER DISPOSED WITHIN SAID CASING AND ANCHORED THERETO, A LOCK CARRIER MOUNTED IN SAID CASING FOR LONGITUDINAL RECIPROCATION THEREALONG AND HAVING A FULCRUM PORTION THEREON, A LOCKING ELEMENT RECIPROCABLY MOUNTED ON SAID LOCK CARRIER FOR MOTION LATERALLY THEREOF INTO AND OUT OF LOCKING ENGAGEMENT WITH SAID CASING, AN ANGLE LEVER HAVING A PIVOT PORTION PIVOTALLY ENGAGING SAID FULCRUM PORTION AND HAVING A TRIGGER ARM PROJECTING FROM SAID PIVOT PORTION TOWARD SAID OPENING AND HAVING A LOCK-ACTUATING ARM PROJECTING FROM SAID PIVOT PORTION INTO RECIPROCATING ENGAGEMENT WITH SAID LOCKING ELEMENT AND DISPOSED AT AN ANGLE TO SAID TRIGGER ARM, AND A LEVER-OPERATING MEMBER MOUNTED ON SAID LOCK CARRIER FOR LONGITUDINAL MOVEMENT THEREALONG RELATIVELY TO SAID LOCK CARRIER, SAID LEVER-OPERATING MEMBER HAVING A CONNECTION PORTION SECURED TO SAID SASH BALANCING MEMBER AND HAVING A LEVER-CONTACTING PORTION SWINGABLY ENGAGING SAID TRIGGER ARM AT A LOCATION THEREON SPACED AWAY FROM SAID PIVOT PORTION.
Claim 2
Dependent Claim
180 words
A SELF-LOCKING AUTOMATICALLY-RELEASING SAHS BALANCE FOR REMOVABLE SLIDING SASH WINDOWS, SAID SASH BALANCE COMPRISING AN ELONGATED HOLLOW SAHS BALANCE CASING HAVING AN ELONGATED OPENING EXTENDING LENGTHWISE THEREOF, A RESILIENT SASH BALANCING MEMBER DISPOSED WITHIN SAID CASING AND ANCHORED THERETO, A LOCK CARRIER MOUNTED IN SAID CASING FOR LONGITUDINAL RECIPROCATION THEREALONG AND HAVING A FULCRUM PORTION THEREON, A LOCKING ELEMENT RECIPROCABLY MOUNTED ON SAID LOCK CARRIER FOR MOTION LATERALLY THEREOF INTO AND OUT OF LOCKING ENGAGEMENT WITH SAID CASING, AN ANGLE LEVER HAVING A PIVOT PORTION PIVOTALLY ENGAGING SAID FULCRUM PORTION AND HAVING A TRIGGER ARM PROJECTING FROM SAID PIVOT PORTION TOWARD SAID OPENING AND HAVING A LOCK-ACTUATING ARM PROJECTING FROM SAID PIVOT PORTION INTO RECIPROCATING ENGAGEMENT WITH SAID LOCKING ELEMENT AND DISPOSED AT AN ANGLE TO SAID TRIGGER ARM, AND A LEVER-OPERATING MEMBER MOUNTED ON SAID LOCK CARRIER FOR LONGITUDINAL MOVEMENT THEREALONG RELATIVELY TO SAID LOCK CARRIER, SAID LEVER-OPERATING MEMBER HAVING A CONNECTION PORTION SECURED TO SAID SASH BALANCING MEMBER AND HAVING A LEVER-CONTACTING PORTION SWINGABLY ENGAGING SAID TRIGGER ARM AT A LOCATION THEREON SPACED AWAY FROM SAID PIVOT PORTION.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |