Patent US3853737A successfully refreshed from Google Patents.
Patent US3213980A successfully refreshed from Google Patents.
US3213980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame for building openings
Assignee: Individual
•
Filing: 1963-01-04
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Granted: 1965-10-26
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Expires: 1983-01-04
Abstract
No abstract record available.
Inventors
- 👤 Persson Sven Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:05
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/12; E06B1/18; E06B1/56; E06B1/60; E06B1/6015; E06B3/00; E06B3/04; E06B3/263; E06B3/273; Y; Y10; Y10S; Y10S49/00; Y10S49/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A FRAME MEMBER FOR AN OPENING IN A WALL OF A BUILDING COMPRISING A FORWARD FRAME PORTION AND A REAR FRAME PORTION, A FLANGE ON ONE OF SAID FRAME PORTIONS, A CHANNEL MEMBER ON THE OTHER OF SAID FRAME PORTIONS, SAID FLANGE EXTENDING INTO SAID CHANNEL MEMBER, A READILY DEFORMABLE SEALING STRIP CARRIED BY SAID ONE FRAME PORTION, A GROOVE IN SAID OTHER FRAME PORTION CONFRONTING SAID SEALING STRIP, AND READILY DEFORMABLE HEAT-INSULATING MATERIAL DISPOSED IN SAID CHANNEL ON BOTH SIDES OF SAID FLANGE AND IN SAID GROOVE AND PRESSED INTO RESILIENT CONTACT WITH SAID SEALING STRIP, SAID HEAT-INSULATING MATERIAL COMPRISING AN INTEGRAL PIECE OF MATERIAL EXTENDING ABOUT SAID FLANGE AND INTO SAID GROOVE.
References Cited (Backward Citations)
US2565772A
Cited
GB768499A
Cited
US2928144A
Cited
US2975492A
Cited
US3060527A
Cited
US3099337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |