US3221460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction and glass block for use therein
Assignee: American Saint Gobain Corp
•
Filing: 1962-01-08
•
Granted: 1965-12-07
•
Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Glynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:24
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/10; E06B5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A WINDOW CONSTRUCTION COMPRISING A WALL HAVING AN OPENING EXTENDING THROUGH IT, A GLASS BLOCK IN THE OPENING, SAID GLASS BLOCK COMPRISING A PLURALITY OF GLASS SHEETS ASSEMBLED IN SIDE-BY-SIDE RELATION, SAID GLASS SHEETS EXTENDING PARALLEL TO THE LIGHT PATH THROUGH SAID GLASS BLOCK, SAID
Claim 2
Dependent Claim
45 words
A WINDOW CONSTRUCTION COMPRISING A WALL HAVING AN OPENING EXTENDING THROUGH IT, A GLASS BLOCK IN THE OPENING, SAID GLASS BLOCK COMPRISING A PLURALITY OF GLASS SHEETS ASSEMBLED IN SIDE-BY-SIDE RELATION, SAID GLASS SHEETS EXTENDING PARALLEL TO THE LIGHT PATH THROUGH SAID GLASS BLOCK, SAID
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |