Patent FR812787A successfully refreshed from Google Patents.
Patent US3279141A successfully refreshed from Google Patents.
US3279141A
Expired / Lapsed
US
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Sub-structure for boat docks
Assignee: FIRMAN L CARSWELL Manufacturing CO Inc
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Filing: 1963-05-28
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Granted: 1966-10-18
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Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Richard O Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:18
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06; E02B3/062; E02B3/064; Y; Y02; Y02A; Y02A10/00; Y02A10/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A SUB-STRUCTURE FOR BOAT DOCKS COMPRISING ONE OR MORE ELONGATED SECTIONS ADAPTED TO BE DISPOSED IN A HORIZONTAL PLANE, EACH OF SAID SECTIONS BEING GENERALLY LADDERLIKE IN FORM AND COMPRISING: (A) A PAIR OF PARALLEL, SPACED APART SIDE BARS EACH FORMED OF RESILIENT SHEET METAL AND BEING A C-SHAPED CHANNEL IN CROSS-SECTIONAL CONTOUR, WHEREBY TO RESIST BENDING FLEXURE STRONGLY BUT OT BE RELATIVELY NONRESISTANT TO TWISTING ABOUT ITS LONGITUDINAL AXIS, SAID CHANNELS OPENING HORIZONTALLY TOWARD EACH OTHER, (B) A SERIES OF PARALLEL, SPACED APART CROSS BARS EXTENDING BETWEEN SAID SIDE BARS AT RIGHT ANGLES THERETO, (C) MEANS ATTACHING THE OPPOSITE ENDS OF EACH OF SAID CROSS BARS RESPECTIVELY TO THE LIP PORTIONS AT THE FREE EDGES OF SAID SIDE BAR CHANNELS, WHEREBY THE FLEXIBLE YIELDABILITY OF SAID LIP PORTIONS RELATIVE TO THE REMAINTAIN PORTIONS OF SAID SIDE BAR CHANNELS PERMITS LIMITED UNIVERSAL MOVABILITY OF SAID CROSS BARS RELATIVE TO SAID SIDE BARS, AND (D) MEANS CONNECTING SAID SIDE BARS TO RESIST RELATIVE LONGITUDINAL MOVEMENT THEREOF STRONGLY.
Claim 2
Dependent Claim
166 words
A SUB-STRUCTURE FOR BOAT DOCKS COMPRISING ONE OR MORE ELONGATED SECTIONS ADAPTED TO BE DISPOSED IN A HORIZONTAL PLANE, EACH OF SAID SECTIONS BEING GENERALLY LADDERLIKE IN FORM AND COMPRISING: (A) A PAIR OF PARALLEL, SPACED APART SIDE BARS EACH FORMED OF RESILIENT SHEET METAL AND BEING A C-SHAPED CHANNEL IN CROSS-SECTIONAL CONTOUR, WHEREBY TO RESIST BENDING FLEXURE STRONGLY BUT OT BE RELATIVELY NONRESISTANT TO TWISTING ABOUT ITS LONGITUDINAL AXIS, SAID CHANNELS OPENING HORIZONTALLY TOWARD EACH OTHER, (B) A SERIES OF PARALLEL, SPACED APART CROSS BARS EXTENDING BETWEEN SAID SIDE BARS AT RIGHT ANGLES THERETO, (C) MEANS ATTACHING THE OPPOSITE ENDS OF EACH OF SAID CROSS BARS RESPECTIVELY TO THE LIP PORTIONS AT THE FREE EDGES OF SAID SIDE BAR CHANNELS, WHEREBY THE FLEXIBLE YIELDABILITY OF SAID LIP PORTIONS RELATIVE TO THE REMAINTAIN PORTIONS OF SAID SIDE BAR CHANNELS PERMITS LIMITED UNIVERSAL MOVABILITY OF SAID CROSS BARS RELATIVE TO SAID SIDE BARS, AND (D) MEANS CONNECTING SAID SIDE BARS TO RESIST RELATIVE LONGITUDINAL MOVEMENT THEREOF STRONGLY.
References Cited (Backward Citations)
US2843231A
Cited
US3050947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |