US3566538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window safety guard
Assignee: Individual
•
Filing: 1969-04-25
•
Granted: 1971-03-02
•
Expires: 1989-04-25
Abstract
Abstract FOR USE ADJACENT TO AND PARALLEL WITH THE VERTICAL MEMBERS OF A BUILT-IN AWNING-TYPE WINDOW STRUCTURE, A PAIR OF SAFETY-PROMOTING ACCIDENT MINIMIZING PEDESTRIAN WALL SUPPORTED WARNING GUARDS. THESE GUARDS LEND THEMSELVES TO INJURY PREVENTING USE WHEN PROPERLY PAIRED AND MOUNTED. THEY PROJECT BEYOND THE WALL AND PARTIALLY BRIDGE THE PATH OF APPROACH WHEN THE WINDOWS ARE OPEN. THEY ARE YIELDINGLY MOUNTED AND WARN PASSERS-BY AND MINIMIZE THE LIKELIHOOD OF COLLIDING WITH DANGEROUSLY PROJECTING WINDOWS.
Inventors
- 👤 Joseph S Mccallum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:46
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |