US3299591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double-pane windows
Assignee: Spiegelglaswerke Germania AG
•
Filing: 1964-05-18
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Granted: 1967-01-24
•
Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Woelk Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:49
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/5418
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A CASEMENT WINDOW INCLUDING A FIRST GLASS PANE, A SECOND GLASS PANE HAVING A FIRST SEALANT WEB SECURED TO SURFACE PORTIONS ADJACENT THE OUTER EDGES THEREOF, SAID SECOND GLASS PANE MOUNTED IN OVERLYING RELATION TO SAID FIRST GLASS PANE AND SPACED FROM SAID FIRST GLASS PANE A DISTANCE DETERMINED BY THE DEPTH OF SAID FIRST SEALANT WEB, THE OUTER EDGES OF SAID SECOND GLASS PANE BEING POSITIONED INWARDLY OF THE OUTER EDGES OF SAID FIRST GLASS PANE, A SECOND SEALANT WEB BEING SECURED TO THE OUTER SURFACE OF SAID FIRST SEALANT WEB AND THE ADJACENT SURFACE OF SAID FIRST GLASS PANE, WHEREBY SAID FIRST AND SECOND PANES ARE SECURED IN FIXED RELATIVE RELATION, AND WHEREIN SAID FIRST AND SECOND SEALANT WEBS ARE EPOXY RESINS.
References Cited (Backward Citations)
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |