US3198159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hatch cover with inflatable gasket
Assignee: Bethlehem Steel Corp
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Filing: 1964-03-06
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Granted: 1965-08-03
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Expires: 1984-03-06
Abstract
No abstract record available.
Inventors
- 👤 Alois F Cherney
- 👤 Herman A Rohrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:57
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; B63B19/26; Y; Y10; Y10S; Y10S277/00; Y10S277/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
CLOSURE MEANS FOR A HATCH OPENING EXTENDING THROUGH A DECK, COMPRISING: (A) A VERTICAL COAMING EXTENDING ALONG THE PERIMETER OF THE HATCH OPENING ABOVE THE DECK, (B) A FIRST HORIZONTAL FLANGE SECURED TO SAID COAMING ABOVE THE DECK AND EXTENDING AWAY FROM THE HATCH OPENING, (C) A HATCH COVER ADAPTED TO BE PLACED OVER THE HATCH OPENING TO CLOSE THE SAME OR SELECTIVELY TO BE REMOVED FROM THE HATCH OPENING TO OPEN THE SAME, (D) A SECOND HORIZONTAL FLANGE ON SAID HATCH COVER EXTENDING INWARDLY THEREOF BEYOND THE OUTER EDGE OF SAID FIRST HORIZONTAL FLANGE AND ADAPTED TO UNDERLIE THE FIRST FLANGE IN VERTICALLY SPACED RELATION WHEN SAID HATCH COVER IS PLACED OVER THE HATCH OPENING, (E) GASKET MEANS INTERPOSED BETWEEN SAID FIRST AND SECAND FLANGES.
Claim 2
Dependent Claim
126 words
CLOSURE MEANS FOR A HATCH OPENING EXTENDING THROUGH A DECK, COMPRISING: (A) A VERTICAL COAMING EXTENDING ALONG THE PERIMETER OF THE HATCH OPENING ABOVE THE DECK, (B) A FIRST HORIZONTAL FLANGE SECURED TO SAID COAMING ABOVE THE DECK AND EXTENDING AWAY FROM THE HATCH OPENING, (C) A HATCH COVER ADAPTED TO BE PLACED OVER THE HATCH OPENING TO CLOSE THE SAME OR SELECTIVELY TO BE REMOVED FROM THE HATCH OPENING TO OPEN THE SAME, (D) A SECOND HORIZONTAL FLANGE ON SAID HATCH COVER EXTENDING INWARDLY THEREOF BEYOND THE OUTER EDGE OF SAID FIRST HORIZONTAL FLANGE AND ADAPTED TO UNDERLIE THE FIRST FLANGE IN VERTICALLY SPACED RELATION WHEN SAID HATCH COVER IS PLACED OVER THE HATCH OPENING, (E) GASKET MEANS INTERPOSED BETWEEN SAID FIRST AND SECAND FLANGES.
References Cited (Backward Citations)
NO94104A
Cited
US2360276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |