US3112130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling between helmet and pressure suit
Assignee: MSA Safety Inc
•
Filing: 1960-10-20
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Granted: 1963-11-26
•
Expires: 1980-10-20
Abstract
No abstract record available.
Inventors
- 👤 John C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:11
CPC Classifications
B; B64; B64D; B64D10/00; B63; B63C; B63C11/00; B63C11/02; B63C11/04; B63C11/06; B63C2011/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN ANNULAR AIRTIGHT COUPLING FOR CONNECTING A HELMET TO THE NECK OF A PRESSURE SUIT, THE COUPLING COMPRISING A BEARING HAVING CONCENTRIC RELATIVELY ROTATABLE INNER AND OUTER ELLIPTICAL RINGS SEPARATED BY BEARING SURFACES, MEANS SEALING THE SPACE BETWEEN THE RINGS, MEANS PERMANENTLY HOLDING SAID RINGS AND SEALING MEANS TOGETHER, MEANS FOR CONNECTING ONE OF THE RINGS TO THE NECK OF A PRESSURE SUIT, AND MEANS FOR CONNECTING THE OTHER RING TO THE BOTTOM OF A HELMET TO PERMIT THE HELMET TO BE SWUNG FROM SIDE TO SIDE, ONE OF THE RINGS BEING RIGID AND THE OTHER RING BEING FLEXIBLE, WHEREBY SAID LAST-MENTIONED
Claim 2
Dependent Claim
102 words
AN ANNULAR AIRTIGHT COUPLING FOR CONNECTING A HELMET TO THE NECK OF A PRESSURE SUIT, THE COUPLING COMPRISING A BEARING HAVING CONCENTRIC RELATIVELY ROTATABLE INNER AND OUTER ELLIPTICAL RINGS SEPARATED BY BEARING SURFACES, MEANS SEALING THE SPACE BETWEEN THE RINGS, MEANS PERMANENTLY HOLDING SAID RINGS AND SEALING MEANS TOGETHER, MEANS FOR CONNECTING ONE OF THE RINGS TO THE NECK OF A PRESSURE SUIT, AND MEANS FOR CONNECTING THE OTHER RING TO THE BOTTOM OF A HELMET TO PERMIT THE HELMET TO BE SWUNG FROM SIDE TO SIDE, ONE OF THE RINGS BEING RIGID AND THE OTHER RING BEING FLEXIBLE, WHEREBY SAID LAST-MENTIONED
References Cited (Backward Citations)
US484885A
Cited
US1349060A
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US1978707A
Cited
US2421533A
Cited
US2906143A
Cited
US2966808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |