US3308808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping chimney flue assembly
Assignee: GENERAL FIREPLACE Inc A CORP OF IN
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Filing: 1965-05-28
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Granted: 1967-03-14
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Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:44
CPC Classifications
F; F23; F23J; F23J13/00; F23J13/04; F23J2213/00; F23J2213/10; F23J2213/101; F23J2213/20; F23J2213/202; F23J2213/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A TELESCOPING CHIMNEY FLUE ASSEMBLY COMPRISING (A) A SUPPORT PLATE HAVING A CENTRAL OPENING, (B) MEANS FOR FASTENING THE SUPPORT PLATE TO A STRUCTURAL MEMBER, (C) A STARTER FLUE PIPE SECTION INSERTABLE THROUGH THE OPENING IN THE SUPPORT PLATE SUBSTANTIALLY NORMAL TO THE PLANE THEREOF, THE FLUE PIPE SECTION HAVING A BORE OF SUBSTANTIALLY UNIFORM CROSS SECTION, (D) INTERENGAGING MEANS ON THE FLUE PIPE SECTION AND THE SUPPORT PLATE FOR SUPPORTING THE FLUE PIPE SECTION RELEASABLY ON THE SUPPORT PLATE AND (E) A LENGTH OF STOVE PIPE DIMENSIONED FOR SLIDABLE TELESCOPING ADJUSTABLE INSERTION IN THE BORE OF THE FLUE PIPE SECTION.
Claim 2
Dependent Claim
101 words
A TELESCOPING CHIMNEY FLUE ASSEMBLY COMPRISING (A) A SUPPORT PLATE HAVING A CENTRAL OPENING, (B) MEANS FOR FASTENING THE SUPPORT PLATE TO A STRUCTURAL MEMBER, (C) A STARTER FLUE PIPE SECTION INSERTABLE THROUGH THE OPENING IN THE SUPPORT PLATE SUBSTANTIALLY NORMAL TO THE PLANE THEREOF, THE FLUE PIPE SECTION HAVING A BORE OF SUBSTANTIALLY UNIFORM CROSS SECTION, (D) INTERENGAGING MEANS ON THE FLUE PIPE SECTION AND THE SUPPORT PLATE FOR SUPPORTING THE FLUE PIPE SECTION RELEASABLY ON THE SUPPORT PLATE AND (E) A LENGTH OF STOVE PIPE DIMENSIONED FOR SLIDABLE TELESCOPING ADJUSTABLE INSERTION IN THE BORE OF THE FLUE PIPE SECTION.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |