US3358137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated safety helmet
Assignee: SINCLAIR FRASER CORP
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Filing: 1965-11-22
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Granted: 1967-12-12
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Malcolm D Sinclair
- 👤 Andrew S Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 07:25
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/0406; A42B3/0433; A42B3/044; F; F21; F21L; F21L2/00; F21V; F21V33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN ILLUMINATED SAFETY HELMET COMPRISING: (A) A HELMET CONSTRUCTED OF A RIGID MATERIAL SO THAT THE OUTER SURFACE THEREOF FORMS A SMOOTH, SUBSTANTIALLY CONTINUOUS CONTOUR FROM ONE EDGE TO THE OTHER; (B) A PORTION OF SAID HELMET BEING LIGHT CONDUCTING, SAID PORTION BEING ADJACENT THE UPPER EXTREMITY AND EXTENDING APPROXIMATELY 360* ABOUT THE PERIPHERY OF SAID HELMET; (C) HARNESS MEANS WITHIN SAID HELMENT FOR RECEIVING THE UPPER PORTION OF A HEAD THEREIN AND POSITIONING THE HEAD WITHIN SAID HELMET TO SUBSTANTIALLY PREVENT THE HEAD FROM CONTACTING THE HELMET; AND (D) A LIGHT SOURCE INCLUDING A RECHARGEABLE BATTERY MOUNTED WITHIN THE HELMET FOR TRANSMITTIG LIGHT THROUGH AND LIGHT CONDUCTING PORTION OF SAID HELMET TO AN AREA ENCIRCLING SAID HELMET, SAID RECHARGEABLE BATTERY HAVING OUTLET MEANS ATTACHED THERETO FOR OPERATIVELY ATTACHING A RECHARGING SOURCE OF ENERGY THERETO WITHOUT REMOVING THE BATTERY FROM THE HELMET, SAID LIGHT SOURCE BEING POSITIONED SO THAT THERE WILL BE NO CONTACT A HEAD POSITIONED IN SAID HARNESS MEANS.
Claim 2
Dependent Claim
161 words
AN ILLUMINATED SAFETY HELMET COMPRISING: (A) A HELMET CONSTRUCTED OF A RIGID MATERIAL SO THAT THE OUTER SURFACE THEREOF FORMS A SMOOTH, SUBSTANTIALLY CONTINUOUS CONTOUR FROM ONE EDGE TO THE OTHER; (B) A PORTION OF SAID HELMET BEING LIGHT CONDUCTING, SAID PORTION BEING ADJACENT THE UPPER EXTREMITY AND EXTENDING APPROXIMATELY 360* ABOUT THE PERIPHERY OF SAID HELMET; (C) HARNESS MEANS WITHIN SAID HELMENT FOR RECEIVING THE UPPER PORTION OF A HEAD THEREIN AND POSITIONING THE HEAD WITHIN SAID HELMET TO SUBSTANTIALLY PREVENT THE HEAD FROM CONTACTING THE HELMET; AND (D) A LIGHT SOURCE INCLUDING A RECHARGEABLE BATTERY MOUNTED WITHIN THE HELMET FOR TRANSMITTIG LIGHT THROUGH AND LIGHT CONDUCTING PORTION OF SAID HELMET TO AN AREA ENCIRCLING SAID HELMET, SAID RECHARGEABLE BATTERY HAVING OUTLET MEANS ATTACHED THERETO FOR OPERATIVELY ATTACHING A RECHARGING SOURCE OF ENERGY THERETO WITHOUT REMOVING THE BATTERY FROM THE HELMET, SAID LIGHT SOURCE BEING POSITIONED SO THAT THERE WILL BE NO CONTACT A HEAD POSITIONED IN SAID HARNESS MEANS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |