US3175225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension device for hard hat
Assignee: Welsh Manufacturing Co
•
Filing: 1962-10-01
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Granted: 1965-03-30
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Frank W Lindblom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:19
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A HARD HAT HAVING AN ARCUATE CROWN PORTION, A ONE UNIT AUXILIARY SUSPENSION DEVICE GENERALLY CONFORMING TO THE ARCUATE CROWN PORTION AND LOACTED WITHIN THE SAME AND SPACED FROM THE TOP PORTION THEREOF AND COMPRISING A CENTER HUB AND RADIATING ARMS, AND A SECOND ONE UNIT MAIN SUSPENSION DEVICE SEPARATE FROM SAID AUXILIARY UNIT DEVICE ALSO GENERALLY CONFORMING TO THE ARCUATE CROWN PORTION AND LOCATED WITHIN THE AUXILIARY SUSPENSION DEVICE AND SPACED DOWNWARDLY FROM THE TOP PORTION THEREOF AND COMPRISING A HEAD BAND, LINKS EXTENDING FROM SAID ARMS TO SAID HEAD BAND CONNECTING SAID UNITS AND MEANS TO ATTACH THE END PORTIONS OF SAID RAMS TO THE LOWER PART OF THE CROWN PORTION SO AS TO POSITION THE DEVICES IN SPACAED RELATION TO EACH OTHER AND TO THE UPPER PART OF THE CROWN PORTION, SAID MAIN SUSPENSION DEVICE COMPRISING A TOP HAVING RADIATING FINGERS, STRAP ATTACHED TO SAID HEADBAND AND ATTACHED TO THE FINGERS AND DEPENDING THEREFROM.
Claim 2
Dependent Claim
158 words
IN A HARD HAT HAVING AN ARCUATE CROWN PORTION, A ONE UNIT AUXILIARY SUSPENSION DEVICE GENERALLY CONFORMING TO THE ARCUATE CROWN PORTION AND LOACTED WITHIN THE SAME AND SPACED FROM THE TOP PORTION THEREOF AND COMPRISING A CENTER HUB AND RADIATING ARMS, AND A SECOND ONE UNIT MAIN SUSPENSION DEVICE SEPARATE FROM SAID AUXILIARY UNIT DEVICE ALSO GENERALLY CONFORMING TO THE ARCUATE CROWN PORTION AND LOCATED WITHIN THE AUXILIARY SUSPENSION DEVICE AND SPACED DOWNWARDLY FROM THE TOP PORTION THEREOF AND COMPRISING A HEAD BAND, LINKS EXTENDING FROM SAID ARMS TO SAID HEAD BAND CONNECTING SAID UNITS AND MEANS TO ATTACH THE END PORTIONS OF SAID RAMS TO THE LOWER PART OF THE CROWN PORTION SO AS TO POSITION THE DEVICES IN SPACAED RELATION TO EACH OTHER AND TO THE UPPER PART OF THE CROWN PORTION, SAID MAIN SUSPENSION DEVICE COMPRISING A TOP HAVING RADIATING FINGERS, STRAP ATTACHED TO SAID HEADBAND AND ATTACHED TO THE FINGERS AND DEPENDING THEREFROM.
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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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |