US3290823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jalousie slats
Assignee: Individual
•
Filing: 1964-04-08
•
Granted: 1966-12-13
•
Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Okumoto Matsuichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:23
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/08; E06B7/084; B; B23; B23K; B23K13/00; B23K13/01; B23K13/02; B23K13/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A JALOUSIE SLAT COMPRISING: A PAIR OF IDENTICAL ELONGATED, GENERALLY FLAT SLAT MEMBERS ARRANGED IN SPACED PARALLEL RELATION; AT LEAST ONE LONGITUDINAL RIB ON THAT SURFACE OF EACH MEMBER WHICH FACES THE OTHER MEMBER; EACH OF SAID RIBS HAVING AT LEAST ONE LATERALLY EXTENDING FORMATION EXTENDING ALONG ITS CREST; EACH MEMBER HAVING MEANS THEREON, SPACED LATERALLY FROM THE RIB THEREON, DEFINING A LONGITUDINAL UNDERCUT GROOVE SUBSTANTIALLY COMPLEMENTARY IN SHAPE OF SAID LATERALLY EXTENDING FORMATION; EACH SAID FORMATION ON ONE MEMBER BEING SLIDABLY NESTED IN A CORRESPONDING GROOVE IN THE OTHER MEMBER, SAID RIBS LATERAL FORMATIONS AND GROOVES INCLUDING OPPOSED SURFACES PREVENTING RELATIVE LATERAL SEPARATION OF SAID MEMBERS WHEREBY SAID SLAT MAY BE ASSEMBLED AND DISASSEMBLED ONLY BY SLIDING ONE MEMBER LONGITUDINALLY OF THE OTHER, A PAIR OF BRACKETS PIVOTALLY SUPPORTED ON A FIXED STRUCTURE; SAID BRACKETS HAVING MEANS RESPECTIVELY ENGAGING THE END PORTIONS OF SAID SLAT TO PIVOTALLY SUPPORT THE SAME AND INCLUDING MEANS ON EACH BRACKET ABUTTING THE ENDS OF BOTH SAID MEMBERS TO RESTRAIN THEM AGAINST RELATIVE LONGITUDINAL SLIDING MOVEMENT.
Claim 2
Dependent Claim
172 words
A JALOUSIE SLAT COMPRISING: A PAIR OF IDENTICAL ELONGATED, GENERALLY FLAT SLAT MEMBERS ARRANGED IN SPACED PARALLEL RELATION; AT LEAST ONE LONGITUDINAL RIB ON THAT SURFACE OF EACH MEMBER WHICH FACES THE OTHER MEMBER; EACH OF SAID RIBS HAVING AT LEAST ONE LATERALLY EXTENDING FORMATION EXTENDING ALONG ITS CREST; EACH MEMBER HAVING MEANS THEREON, SPACED LATERALLY FROM THE RIB THEREON, DEFINING A LONGITUDINAL UNDERCUT GROOVE SUBSTANTIALLY COMPLEMENTARY IN SHAPE OF SAID LATERALLY EXTENDING FORMATION; EACH SAID FORMATION ON ONE MEMBER BEING SLIDABLY NESTED IN A CORRESPONDING GROOVE IN THE OTHER MEMBER, SAID RIBS LATERAL FORMATIONS AND GROOVES INCLUDING OPPOSED SURFACES PREVENTING RELATIVE LATERAL SEPARATION OF SAID MEMBERS WHEREBY SAID SLAT MAY BE ASSEMBLED AND DISASSEMBLED ONLY BY SLIDING ONE MEMBER LONGITUDINALLY OF THE OTHER, A PAIR OF BRACKETS PIVOTALLY SUPPORTED ON A FIXED STRUCTURE; SAID BRACKETS HAVING MEANS RESPECTIVELY ENGAGING THE END PORTIONS OF SAID SLAT TO PIVOTALLY SUPPORT THE SAME AND INCLUDING MEANS ON EACH BRACKET ABUTTING THE ENDS OF BOTH SAID MEMBERS TO RESTRAIN THEM AGAINST RELATIVE LONGITUDINAL SLIDING MOVEMENT.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |