US3089562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loudspeaker baffle assembly
Assignee: LAFAYETTE RADIO ELECTRONICS CORP
•
Filing: 1959-10-01
•
Granted: 1963-05-14
•
Expires: 1979-10-01
Abstract
No abstract record available.
Inventors
- 👤 Morgillo Pellegrino Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/28; H04R1/2807; H04R1/2815; H04R1/2819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A BAFFLE PLATE ASSEMBLY FOR LOUDSPEAKERS WHICH COMPRISES, A FRONT WALL HAVING AN OPENING, A BAFFLE PLATE SPACED REARWARDLY OF SAID WALL AND HAVING AN OPENING OF LESSER AREA THAN THAT OF THE OPENING IN THE FRONT WALL AND CENTERED ON A COMMON AXIS THEREWITH AND A DEFLECT-
Claim 2
Dependent Claim
48 words
A BAFFLE PLATE ASSEMBLY FOR LOUDSPEAKERS WHICH COMPRISES, A FRONT WALL HAVING AN OPENING, A BAFFLE PLATE SPACED REARWARDLY OF SAID WALL AND HAVING AN OPENING OF LESSER AREA THAN THAT OF THE OPENING IN THE FRONT WALL AND CENTERED ON A COMMON AXIS THEREWITH AND A DEFLECT-
References Cited (Backward Citations)
US1926820A
Cited
US2014621A
Cited
US1902609A
Cited
US2080275A
Cited
GB496504A
Cited
US2167625A
Cited
US2193399A
Cited
FR908709A
Cited
US2622692A
Cited
US2694463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |