Patent US3257930A successfully refreshed from Google Patents.
US3257930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelter with ventilation means
Assignee: Individual
•
Filing: 1964-01-10
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Granted: 1966-06-28
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Expires: 1984-01-10
Abstract
No abstract record available.
Inventors
- 👤 Averna John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/32; E04B1/3211; F; F24; F24F; F24F7/00; F24F7/04; E04B2001/327; E04B2001/3276; E04B2001/3288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DOME-SHAPED SHELTER COMPRISING: INNER AND OUTER DOME-SHAPED, INTERNESTED, AND LIGHTTRANSMITTING SHELLS DEFINING AN ENCLOSED AREA, SAID INNER SHELL INCLUDING AIR INLET OPENINGS ADJACENT THE BASE THEREOF AND AN AIR DISCHARGE OPENING TO SAID ENCLOSED AREA, AND SAID OUTER SHELL INCLUDING AN AIR OUTLET OPENING ADJACENT THE TOP THEREOF; MEANS INTERPOSED BETWEEN SAID INNER AND OUTER SHELLS AND MAINTAINING SAID SHELLS IN SPACED APART RELATION, SAID MEANS INCLUDING VENTILATING OPENINGS WHEREBY STAGNANT AIR IS VENTED FROM SAID ENCLOSED AREA THROUGH SAID AIR INLET OPENINGS, THROUGH SAID VENTILATING OPENINGS, AND THROUGH SAID AIR OUTLET OPENING; AIR SUPPLY MEANS; AND BAFFLE MEANS FOR GUIDING AIR FROM SAID AIR SUPPLY MEANS, THROUGH CERTAIN OF SAID VENTILATING OPENINGS, AND THROUGH SAID AIR DISCHARGE OPENING FOR DISCHARGE INTO SAID ENCLOSED AREA.
Claim 2
Dependent Claim
126 words
A DOME-SHAPED SHELTER COMPRISING: INNER AND OUTER DOME-SHAPED, INTERNESTED, AND LIGHTTRANSMITTING SHELLS DEFINING AN ENCLOSED AREA, SAID INNER SHELL INCLUDING AIR INLET OPENINGS ADJACENT THE BASE THEREOF AND AN AIR DISCHARGE OPENING TO SAID ENCLOSED AREA, AND SAID OUTER SHELL INCLUDING AN AIR OUTLET OPENING ADJACENT THE TOP THEREOF; MEANS INTERPOSED BETWEEN SAID INNER AND OUTER SHELLS AND MAINTAINING SAID SHELLS IN SPACED APART RELATION, SAID MEANS INCLUDING VENTILATING OPENINGS WHEREBY STAGNANT AIR IS VENTED FROM SAID ENCLOSED AREA THROUGH SAID AIR INLET OPENINGS, THROUGH SAID VENTILATING OPENINGS, AND THROUGH SAID AIR OUTLET OPENING; AIR SUPPLY MEANS; AND BAFFLE MEANS FOR GUIDING AIR FROM SAID AIR SUPPLY MEANS, THROUGH CERTAIN OF SAID VENTILATING OPENINGS, AND THROUGH SAID AIR DISCHARGE OPENING FOR DISCHARGE INTO SAID ENCLOSED AREA.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |