US3302554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One piece louver unit
Assignee: LESLIE-LOCKE Inc
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Filing: 1965-01-05
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Granted: 1967-02-07
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Expires: 1985-01-05
Abstract
No abstract record available.
Inventors
- 👤 Donald L Rousey
- 👤 Roger D Mccutcheon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:28
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A ONE-PIECE SHEET MATERIAL LOUVER UNIT COMPRISING A MARGINAL PORTION HAVING OPPOSITE SIDE SECTIONS HAVING MARGINAL EDGES, A PLURALITY OF VERTICALLY SPACED INCLINED LOUVER SECTIONS EXTENDING BETWEEN SAID SIDE SECTIONS, A PLURALITY OF GENERALLY HORIZONTAL SECTIONS EXTENDING BETWEEN AND ADJACENT UPPER AND LOWER END MARGINS OF IMMEDIATELY ADJACENT LOUVER SECTIONS, CONNECTING SECTIONS INTEGRALLY JOINING SAID GENERALLY HORIZONTAL SECTIONS TO SAID UPPER AND LOWER MARGINS OF ADJACENT LOUVER SECTIONS, CERTAIN OF SAID CONNECTING SECTIONS BEING DISPOSED SUBSTANTIALLY IN A COMMON PLANE AND INTEGRALLY JOINING SAID MARGINAL EDGES OF SAID OPPOSITE SIDE SECTIONS, OPPOSITE
Claim 2
Dependent Claim
92 words
A ONE-PIECE SHEET MATERIAL LOUVER UNIT COMPRISING A MARGINAL PORTION HAVING OPPOSITE SIDE SECTIONS HAVING MARGINAL EDGES, A PLURALITY OF VERTICALLY SPACED INCLINED LOUVER SECTIONS EXTENDING BETWEEN SAID SIDE SECTIONS, A PLURALITY OF GENERALLY HORIZONTAL SECTIONS EXTENDING BETWEEN AND ADJACENT UPPER AND LOWER END MARGINS OF IMMEDIATELY ADJACENT LOUVER SECTIONS, CONNECTING SECTIONS INTEGRALLY JOINING SAID GENERALLY HORIZONTAL SECTIONS TO SAID UPPER AND LOWER MARGINS OF ADJACENT LOUVER SECTIONS, CERTAIN OF SAID CONNECTING SECTIONS BEING DISPOSED SUBSTANTIALLY IN A COMMON PLANE AND INTEGRALLY JOINING SAID MARGINAL EDGES OF SAID OPPOSITE SIDE SECTIONS, OPPOSITE
References Cited (Backward Citations)
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Cited
US2492909A
Cited
US2624264A
Cited
US2803185A
Cited
US3027823A
Cited
US3079853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |