Patent US3085489A successfully refreshed from Google Patents.
US3085489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window well shield
Assignee: —
•
Filing: —
•
Granted: 1963-04-16
•
Expires: 1980-04-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:01
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/02; E; E04; E04F; E04F17/00; E04F17/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A SHIELD CONSTRUCTION FOR A WINDOW WELL AT AN OPENING AT LEAST PARTIALLY BELOW GROUND LEVEL OF A BUILDING WALL, COMPRISING A GENERALLY SEMI-CIRCULAR CASING EXTENDING AROUND SAID OPENING WITH THE TOP OF SAID CASING ABOVE GROUND LEVEL; A SHELL FORMED OF TRANSPARENT PLASTIC MATERIAL AND OPEN AT THE REAR AND AT THE BOTTOM, SAID SHELL HAVING A GENERALLY HORIZONTAL TOP EDGE AT THE REAR AND SIDE EDGES AT THE REAR DISPOSED GENERALLY AT RIGHT ANGLES TO SAID TOP EDGES, SAID REAR EDGE AT EACH SIDE BEING A LATERALLY AND OUTWARDLY EXTENDING UPRIGHT FLANGE AND SAID TOP REAR EDGE BEING AN UPWARDLY EXTENDING TOP FLANGE, SAID SHELL EXTENDING OUTWARDLY AND DOWNWARDLY FROM SAID FLANGES GENERALLY IN THE FORM OF A QUADRISPHERE WITH THE LOWER EDGE OF SAID SHIELD BEING GENERALLY SEMICIRCULAR WITH A RADIUS GREATER THAN THE RADIUS OF SAID CASING
Claim 2
Dependent Claim
141 words
A SHIELD CONSTRUCTION FOR A WINDOW WELL AT AN OPENING AT LEAST PARTIALLY BELOW GROUND LEVEL OF A BUILDING WALL, COMPRISING A GENERALLY SEMI-CIRCULAR CASING EXTENDING AROUND SAID OPENING WITH THE TOP OF SAID CASING ABOVE GROUND LEVEL; A SHELL FORMED OF TRANSPARENT PLASTIC MATERIAL AND OPEN AT THE REAR AND AT THE BOTTOM, SAID SHELL HAVING A GENERALLY HORIZONTAL TOP EDGE AT THE REAR AND SIDE EDGES AT THE REAR DISPOSED GENERALLY AT RIGHT ANGLES TO SAID TOP EDGES, SAID REAR EDGE AT EACH SIDE BEING A LATERALLY AND OUTWARDLY EXTENDING UPRIGHT FLANGE AND SAID TOP REAR EDGE BEING AN UPWARDLY EXTENDING TOP FLANGE, SAID SHELL EXTENDING OUTWARDLY AND DOWNWARDLY FROM SAID FLANGES GENERALLY IN THE FORM OF A QUADRISPHERE WITH THE LOWER EDGE OF SAID SHIELD BEING GENERALLY SEMICIRCULAR WITH A RADIUS GREATER THAN THE RADIUS OF SAID CASING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |