US3258534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety headpiece loudspeaker
Assignee: Individual
•
Filing: 1963-02-25
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Granted: 1966-06-28
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Forrest C Goldsworthy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:05
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/10; H04R1/1058; H04R1/1075; A; A42; A42B; A42B3/00; A42B3/04; A42B3/30; H04R1/08; H04R1/1025; H04R5/00; H04R5/033; H04R5/0335
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A LOUDSPEAKER HELMET COMPRISING: (A) A SAFETY HELMET OF RIGID MATERIAL HAVING A HIGH CROWN, (B) A PARTITION WITHIN THE HELMET SEPARATING AN UPPER PORTION OF THE CROWN OF THE HELMET FROM THE LOWER PORTION THEREOF TO THEREBY FORM A COMPARTMENT IN THE CROWN ABOVE THE PARTITION, (C) A PLURALITY OF LOUDSPEAKERS MOUNTED INTERIORLY OF THE COMPARTMENT FORMED IN THE CROWN BY THE PARTITION, EACH LOUDSPEAKER BEING FASTENED IN OUTWARDLY FACING RELTION TO THE CROWN AND COMMUNICATING EXTERIORLY OF THE HELMENT THROUGH AN OPENING PROVIDED IN THE CROWN OVER EACH LOUDSPEAKER, (D) ELECTRONIC AUDIO AMPLIFYING MEANS MOUNTED IN THE COMPARTMENT FORMED IN THE CROWN BY THE PARTITION,
Claim 2
Dependent Claim
107 words
A LOUDSPEAKER HELMET COMPRISING: (A) A SAFETY HELMET OF RIGID MATERIAL HAVING A HIGH CROWN, (B) A PARTITION WITHIN THE HELMET SEPARATING AN UPPER PORTION OF THE CROWN OF THE HELMET FROM THE LOWER PORTION THEREOF TO THEREBY FORM A COMPARTMENT IN THE CROWN ABOVE THE PARTITION, (C) A PLURALITY OF LOUDSPEAKERS MOUNTED INTERIORLY OF THE COMPARTMENT FORMED IN THE CROWN BY THE PARTITION, EACH LOUDSPEAKER BEING FASTENED IN OUTWARDLY FACING RELTION TO THE CROWN AND COMMUNICATING EXTERIORLY OF THE HELMENT THROUGH AN OPENING PROVIDED IN THE CROWN OVER EACH LOUDSPEAKER, (D) ELECTRONIC AUDIO AMPLIFYING MEANS MOUNTED IN THE COMPARTMENT FORMED IN THE CROWN BY THE PARTITION,
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |