US3293659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High altitude helmet
Assignee: International Latex Corp
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Filing: 1964-05-01
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Granted: 1966-12-27
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Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Leonard F Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:02
CPC Classifications
B; B64; B64D; B64D10/00; A; A42; A42B; A42B3/00; A42B3/04; A42B3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A HELMET COMPRISING AN INNER HELMET FOR ENCASING THE HEAD OF THE WEARER AND AN OUTER HELMET COVERING SAID INNER HELMET, SAID INNER HELMET HAVING AN EAR COVERING PORTION AT EACH SIDE THEREOF, EACH OF SAID EAR COVERING PORTIONS HAVING PIVOT MEANS AFFIXED THEREON, SAID OUTER HELMET HAVING CORRESPONDING PIVOT RECEIVING MEANS AFFIXED THEREON, SAID PIVOT RECEIVING MEANS RESPECTIVELY ACCEPTING SAID PIVOT MEANS, WHEREBY SAID INNER HELMET PIVOTS WITHIN SAID OUTER HELMET ABOUT AN AXIS CONNECTING SAID PIVOT MEANS.
Claim 2
Dependent Claim
79 words
A HELMET COMPRISING AN INNER HELMET FOR ENCASING THE HEAD OF THE WEARER AND AN OUTER HELMET COVERING SAID INNER HELMET, SAID INNER HELMET HAVING AN EAR COVERING PORTION AT EACH SIDE THEREOF, EACH OF SAID EAR COVERING PORTIONS HAVING PIVOT MEANS AFFIXED THEREON, SAID OUTER HELMET HAVING CORRESPONDING PIVOT RECEIVING MEANS AFFIXED THEREON, SAID PIVOT RECEIVING MEANS RESPECTIVELY ACCEPTING SAID PIVOT MEANS, WHEREBY SAID INNER HELMET PIVOTS WITHIN SAID OUTER HELMET ABOUT AN AXIS CONNECTING SAID PIVOT MEANS.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |