US3380219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unit-mounting and circulationsealing frame
Assignee: Individual
•
Filing: 1966-05-16
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Granted: 1968-04-30
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Madl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/28; F24F13/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A UNIT-MOUNTING AND CIRCULATION-SEALING FRAME COMPRISING: (A) A PLURALITY OF ELONGATED, TRANSVERSELY SPACED CHANNEL MEMBERS HAVING SIDES AND A CONNECTING WEB AND PROVIDED WITH FLANGE PORTIONS EXTENDING FROM THE LONGITUDINAL SIDES OF SAID MEMBERS ACROSS THE WEB THEREOF, (B) A PLURALITY OF TRANSVERSE CHANNEL MEMBERS SPANNING BETWEEN THE LONGITUDINAL CHANNEL MEMBERS AND PROVIDED WITH FLANGE PORTIONS EXTENDING FROM THE SIDES OF SAID MEMBERS ACROSS THE WEBS THEREOF AND TERMINATING IN SPACED RELATION TO THE ENDS OF THE LATTER CHANNEL MEMBERS, (C) AIR-SEALING MEMBERS INTERPOSED BETWEEN THE SAID ENDS OF THE TRANSVERSE CHANNEL MEMBERS AND THE SIDES OF THE LONGITUDINAL CHANNEL MEMBERS AND ADJACENT PORTIONS OF THE FLANGES OF THE LATTER MEMBERS, AND (D) MEANS TO CONNECT THE ENDS OF THE TRANSVERSE CHANNEL MEMBERS TO THE LONGITUDINAL CHANNEL MEMBERS AND TO PLACE THE AIR-SEALING MEMBERS IN COMPRESSION LATERALLY THEREBETWEEN.
Claim 2
Dependent Claim
138 words
A UNIT-MOUNTING AND CIRCULATION-SEALING FRAME COMPRISING: (A) A PLURALITY OF ELONGATED, TRANSVERSELY SPACED CHANNEL MEMBERS HAVING SIDES AND A CONNECTING WEB AND PROVIDED WITH FLANGE PORTIONS EXTENDING FROM THE LONGITUDINAL SIDES OF SAID MEMBERS ACROSS THE WEB THEREOF, (B) A PLURALITY OF TRANSVERSE CHANNEL MEMBERS SPANNING BETWEEN THE LONGITUDINAL CHANNEL MEMBERS AND PROVIDED WITH FLANGE PORTIONS EXTENDING FROM THE SIDES OF SAID MEMBERS ACROSS THE WEBS THEREOF AND TERMINATING IN SPACED RELATION TO THE ENDS OF THE LATTER CHANNEL MEMBERS, (C) AIR-SEALING MEMBERS INTERPOSED BETWEEN THE SAID ENDS OF THE TRANSVERSE CHANNEL MEMBERS AND THE SIDES OF THE LONGITUDINAL CHANNEL MEMBERS AND ADJACENT PORTIONS OF THE FLANGES OF THE LATTER MEMBERS, AND (D) MEANS TO CONNECT THE ENDS OF THE TRANSVERSE CHANNEL MEMBERS TO THE LONGITUDINAL CHANNEL MEMBERS AND TO PLACE THE AIR-SEALING MEMBERS IN COMPRESSION LATERALLY THEREBETWEEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |