Patent US3337876A successfully refreshed from Google Patents.
US3337876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant-volume underwater exposure suit
Assignee: Individual
•
Filing: 1965-07-06
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Granted: 1967-08-29
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Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Armstrong Edmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:03
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/04; B63C2011/043; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24041; Y10T428/24479; Y10T428/24562; Y10T428/24777; Y10T428/24793
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
IN AN UNDERWATER EXPOSURE HAVING TORSO AND LIMB ENCLOSING PORTIONS COMPRISING: AN INNER, BODY COVERING LAYER OF WATER RESISTANT AND LUBRICATING AGENT IMPERVIOUS MATERIAL; AN OUTER LAYER OF WATER RESISTANT AND LUBRICATING AGENT IMPERVIOUS MATERIAL OVER SAID INNER LAYER, ATTACHED THERETO AT PREDETERMINED POINTS AND SEALED THERETO ALONG MARGINAL EDGES; AND A SUBSTANTIALLY INCOMPRESSIBLE, LUBRICATING AGENT DISPOSED BETWEEN SAID INNER AND OUTER LAYERS.
Claim 2
Dependent Claim
63 words
IN AN UNDERWATER EXPOSURE HAVING TORSO AND LIMB ENCLOSING PORTIONS COMPRISING: AN INNER, BODY COVERING LAYER OF WATER RESISTANT AND LUBRICATING AGENT IMPERVIOUS MATERIAL; AN OUTER LAYER OF WATER RESISTANT AND LUBRICATING AGENT IMPERVIOUS MATERIAL OVER SAID INNER LAYER, ATTACHED THERETO AT PREDETERMINED POINTS AND SEALED THERETO ALONG MARGINAL EDGES; AND A SUBSTANTIALLY INCOMPRESSIBLE, LUBRICATING AGENT DISPOSED BETWEEN SAID INNER AND OUTER LAYERS.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |