Patent US2743702A successfully refreshed from Google Patents.
Patent US3087164A successfully refreshed from Google Patents.
US3087164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety helmet
Assignee: Airco Inc
•
Filing: 1959-07-30
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Granted: 1963-04-30
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Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Abner C Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:42
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A HAMMOCK FOR A SAFETY HELMET INCLUDING A SHELL, A SPIDER COMPRISING PERIPHERALLY SPACED, DOWNWARDLY EXTENDING LEG MEMBERS ADAPTED FOR CONNECTION AT THEIR LOWER ENDS TO A SHELL, A HEADBAND, HEADBAND SUPPORT MEANS INCLUDING A PLURALITY OF DEPENDING ARM MEMBERS SECURED AT THEIR UPPER ENDS TO THE INNER SIDE OF SAID LEG MEMBERS AT AN INTERMEDIATE PORTION THEREOF AND CARRYING SAID HEADBAND AT THE LOWER DEPENDING ENDS THEREOF, AND SEPARABLE CONNECTION MEANS PROVIDED BY SEVERAL OF THE LEG MEMBERS AND THE HEADBAND SUPPORT MEANS FORMING SPACED SEPARABLE CONNECTIONS, EACH OF WHICH IS EFFECTIVE TO POSITIVELY SECURE SAID LEG MEMBERS AND SAID HEADBAND SUPPORT MEANS FOR SEPARABLY CONNECTING AND ADJUSTABLY RELATING TO ONE OF A PLURALITY OF SELECTED FIXED RELATIONSHIPS THE VERTICAL POSITION OF THE HEADBAND SUPPORT MEANS WITH RESPECT TO THE LEG MEMBERS.
Claim 2
Dependent Claim
134 words
IN A HAMMOCK FOR A SAFETY HELMET INCLUDING A SHELL, A SPIDER COMPRISING PERIPHERALLY SPACED, DOWNWARDLY EXTENDING LEG MEMBERS ADAPTED FOR CONNECTION AT THEIR LOWER ENDS TO A SHELL, A HEADBAND, HEADBAND SUPPORT MEANS INCLUDING A PLURALITY OF DEPENDING ARM MEMBERS SECURED AT THEIR UPPER ENDS TO THE INNER SIDE OF SAID LEG MEMBERS AT AN INTERMEDIATE PORTION THEREOF AND CARRYING SAID HEADBAND AT THE LOWER DEPENDING ENDS THEREOF, AND SEPARABLE CONNECTION MEANS PROVIDED BY SEVERAL OF THE LEG MEMBERS AND THE HEADBAND SUPPORT MEANS FORMING SPACED SEPARABLE CONNECTIONS, EACH OF WHICH IS EFFECTIVE TO POSITIVELY SECURE SAID LEG MEMBERS AND SAID HEADBAND SUPPORT MEANS FOR SEPARABLY CONNECTING AND ADJUSTABLY RELATING TO ONE OF A PLURALITY OF SELECTED FIXED RELATIONSHIPS THE VERTICAL POSITION OF THE HEADBAND SUPPORT MEANS WITH RESPECT TO THE LEG MEMBERS.
References Cited (Backward Citations)
FR328126A
Cited
US1715201A
Cited
US2398561A
Cited
US2432164A
Cited
US2536467A
Cited
US2710965A
Cited
US2967304A
Cited
US3020551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |