Patent US5329190A successfully refreshed from Google Patents.
Patent US3218771A successfully refreshed from Google Patents.
US3218771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for installing sheet insulation in industrial-type buildings
Assignee: Individual
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Filing: 1963-10-03
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Granted: 1965-11-23
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 Erwin A Horn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:53
CPC Classifications
E; E04; E04F; E04F19/00; E04F19/02; E04F19/06; E04F19/065; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/0805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
APPARATUS FOR USE IN A BUILDING CONSTRUCTION, COMPRISING: AN ELONGATED T-BAR HAVING A HEAD AND A LEG, THERE BEING A LINE OF JOINDER BETWEEN SAID HEAD AND LEG WHICH EXTENDS THE LENGTH OF SAID T-BAR; SLEEVE MEANS CONNECTED TO SAID LEG AND HAVING PORTIONS THEREOF ADJACENT EACH END OF SAID T-BAR LEG, SAID SLEEVE MEANS PORTIONS BEING GENERALLY PARALLEL TO SAID LINE OF JOINDER OF SAID T-BAR HEAD AND LEG; PIN MEANS DISPOSED IN AND EXTENDING FROM EACH PORTION OF SAID SLEEVE MEANS ADJACENT AN END OF SAID T-BAR LEG, AT LEAST ONE PIN MEANS BEING FRICTIONALLY SLIDABLE IN ITS RESPECTIVE SLEEVE MEANS PORTION.
Claim 2
Dependent Claim
104 words
APPARATUS FOR USE IN A BUILDING CONSTRUCTION, COMPRISING: AN ELONGATED T-BAR HAVING A HEAD AND A LEG, THERE BEING A LINE OF JOINDER BETWEEN SAID HEAD AND LEG WHICH EXTENDS THE LENGTH OF SAID T-BAR; SLEEVE MEANS CONNECTED TO SAID LEG AND HAVING PORTIONS THEREOF ADJACENT EACH END OF SAID T-BAR LEG, SAID SLEEVE MEANS PORTIONS BEING GENERALLY PARALLEL TO SAID LINE OF JOINDER OF SAID T-BAR HEAD AND LEG; PIN MEANS DISPOSED IN AND EXTENDING FROM EACH PORTION OF SAID SLEEVE MEANS ADJACENT AN END OF SAID T-BAR LEG, AT LEAST ONE PIN MEANS BEING FRICTIONALLY SLIDABLE IN ITS RESPECTIVE SLEEVE MEANS PORTION.
References Cited (Backward Citations)
US1082336A
Cited
US2999277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |