US3090083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window structure
Assignee: Individual
•
Filing: 1959-07-27
•
Granted: 1963-05-21
•
Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Emmerich Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:06
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/04; E06B3/06; E06B3/08; E06B3/20; E06B3/22; E06B3/221; E06B3/222; E06B3/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A WINDOW ELEMENT COMPRISING A RIGID HOLLOW CORE AND A COVERING ABOUT THE PERIPHERY OF SAID CORE, SAID COVERING COMPRISING AT LEAST TWO SEPARATE SECTIONS OF POLYVINYL CHLORINE RESILIENT MATERIAL, SAID SECTIONS RESILIENTLY GRIPPING SAID CORE FOR MAINTAINING SAID SECTIONS ON THE PERIPHERY OF SAID CORE, SAID CORE HAVING A SUBSTANTIALLY I-SHAPED CROSS SECTION AND INCLUDING FLANGES EXTENDING PARALLEL TO THE WEB OF SAID I-SHAPED, SAID
Claim 2
Dependent Claim
66 words
A WINDOW ELEMENT COMPRISING A RIGID HOLLOW CORE AND A COVERING ABOUT THE PERIPHERY OF SAID CORE, SAID COVERING COMPRISING AT LEAST TWO SEPARATE SECTIONS OF POLYVINYL CHLORINE RESILIENT MATERIAL, SAID SECTIONS RESILIENTLY GRIPPING SAID CORE FOR MAINTAINING SAID SECTIONS ON THE PERIPHERY OF SAID CORE, SAID CORE HAVING A SUBSTANTIALLY I-SHAPED CROSS SECTION AND INCLUDING FLANGES EXTENDING PARALLEL TO THE WEB OF SAID I-SHAPED, SAID
References Cited (Backward Citations)
US639106A
Cited
US670939A
Cited
DE498782C
Cited
GB304908A
Cited
US1832847A
Cited
GB660242A
Cited
US2782887A
Cited
GB779278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |