US3133323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Individual
•
Filing: 1962-08-15
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Granted: 1964-05-19
•
Expires: 1982-08-15
Abstract
No abstract record available.
Inventors
- 👤 Preston O Robards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:11
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4446
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
IN A WINDOW CONSTRUCTION, IN COMBINATION: (A) A WINDOW FRAME HAVING SPACED VERTICAL SIDE MEMBERS, (B) A WINDOW SASH SLIDABLY MOUNTED BETWEEN SAID SIDE MEMBERS OF SAID FRAME, (C) SPRING MEANS BIASING SAID WINDOW SASH UPWARDLY, (D) MEANS MOUNTING SAID WINDOW SASH FOR ROTATION ABOUT A HORIZONTAL AXIS, (E) A RATCH STATIONARILY MOUNTED ON EACH SIDE MEMBER, AND (F) A PAWL SECURED TO EACH VERTICAL SIDE OF SAID WINDOW SASH FOR COOPERATION WITH THE RATCH INDIVIDUAL THERETO WHEN SAID WINDOW SASH IS ROTATED TO PREVENT MOVEMENT THEREOF BY SAID SPRING MEANS.
References Cited (Backward Citations)
US2825090A
Cited
US2828514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |