Patent US3996930A successfully refreshed from Google Patents.
Patent US3348516A successfully refreshed from Google Patents.
US3348516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for clamping and lifting cargo hatch covers
Assignee: Individual
•
Filing: 1966-05-02
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Granted: 1967-10-24
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Caillet Rene Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:51
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; B63B19/26; B63B19/14; B63B19/21; B63B19/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A DEVICE FOR CONTROLLING THE CLAMPING AND LIFTING OF A HATCH COVER ADAPTED TO CLOSE A HATCH OPENING PROVIDED WITH A COAMING, SAID DEVICE COMPRISING AT LEAST ONE SECTION EXTENDING ALONG THE SIDE COAMINGS, AND BETWEEN A LEDGE ON THE HATCH COVER AND THE DECK, SECTION CONTROL MEANS, AND MECHANICAL MEANS CONNECTING SAID HATCH COVER TO SAID DECK AND HOUSED IN A SHELTERED SPACE FORMED BETWEEN SAID SECTION AND SAID COAMING, WHEREBY THE APPLICATION OF A FORCE FROM SAID SECTION CONTROL MEANS TO LONGITUDINALLY MOVE SAID SECTION WILL IMPART A MOVEMENT HAVING A VERTICAL COMPONENT THERETO IN ORDER TO EFFECT THE CLAMPING AND LIFTING OF SAID HATCH COVER.
Claim 2
Independent Claim
108 words
A DEVICE FOR CONTROLLING THE CLAMPING AND LIFTING OF A HATCH COVER ADAPTED TO CLOSE A HATCH OPENING PROVIDED WITH A COAMING, SAID DEVICE COMPRISING AT LEAST ONE SECTION EXTENDING ALONG THE SIDE COAMINGS, AND BETWEEN A LEDGE ON THE HATCH COVER AND THE DECK, SECTION CONTROL MEANS, AND MECHANICAL MEANS CONNECTING SAID HATCH COVER TO SAID DECK AND HOUSED IN A SHELTERED SPACE FORMED BETWEEN SAID SECTION AND SAID COAMING, WHEREBY THE APPLICATION OF A FORCE FROM SAID SECTION CONTROL MEANS TO LONGITUDINALLY MOVE SAID SECTION WILL IMPART A MOVEMENT HAVING A VERTICAL COMPONENT THERETO IN ORDER TO EFFECT THE CLAMPING AND LIFTING OF SAID HATCH COVER.
References Cited (Backward Citations)
US2945467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |