US3172169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining structure for window sash and counterweights
Assignee: V E ANDERSON Mfg Co
•
Filing: 1963-07-15
•
Granted: 1965-03-09
•
Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Richard N Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:49
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/14; E06B2003/4438; E06B2003/4453; E06B3/4407
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
WINDOW CONSTRUCTION COMPRISING A WINDOW FRAME, A SASH MOUNTED FOR VERTICAL MOVEMENT WITHIN THE FRAME HAVING A LOWER SASH RAIL WITH AN OPEN BOTTOM AND INWARDLY PROJECTING LONGITUDINALLY EXTENDING RIBS ON THE SIDES OF THE LOWER SASH RAIL ADJACENT THE OPEN BOTTOM, A COUNTERWEIGHT ASSEMBLY OPERABLE BETWEEN THE FRAME AND SASH FROR FACILITAING MOVEMENT OF THE SASH IN ONE DIRECTION AND A SHOE SECURED TO THE COUNTERWEIGHT ASSEMBLY INCLUDING INCLINED SURFACES AND ABUTMENTS THEREON FOR CAMMING OVER THE RIBS IN THE LOWER SASH RAIL AND HOLDING THE SHOE IN RELEASABLE ENGAGEMENT WITH THE LOWER RAIL OF THE SASH.
References Cited (Backward Citations)
US2736403A
Cited
US2879537A
Cited
US2901768A
Cited
US2941237A
Cited
US2952048A
Cited
US3086259A
Cited
US3114178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |