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US3131665A Expired / Lapsed US ⏱️ 0.0 years remaining

Bow section member for pontoons

Assignee: Kiekhaefer Corp
•
Filing: 1962-03-27
•
Granted: 1964-05-05
•
Expires: 1982-03-27
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Abstract

No abstract record available.

Inventors

  • 👤 Kiekhaefer Elmer Carl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 20:48
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/34; B63B1/00; B63B1/32; B63B1/40; Y; Y02; Y02T; Y02T70/00; Y02T70/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 87 words
IN COMBINATION WITH A DECK STRUCTURE SUPPORTED ON A PLURALITY OF SPACED PARALLEL PONTOONS, A BOW MEMBER FOR PROTECTING THE FORWARD END OF EACH PONTOON COMPRISING GENERALLY A FORWARDLY TAPERED CHANNEL SECTION OPEN UPWARDLY AND REARWARDLY AND CLOSED FORWARDLY AND DOWNWARDLY AND HAVING THE REAR END THEREOF SUBSTANTIALLY COMPLEMENTARY WITH AND OUTWARDLY OVERLAPPING THE FORWARD END OF THE CORRESPONDING PONTOON FREE OF SECUREMENT THERETO, THE UPPER EDGE OF SAID MEMBER BEING FLANGED OUTWARDLY IN ENGAGEMENT WITH THE DECK, AND MEANS SECURING SAID FLANGE TO SAID DECK ONLY.

References Cited (Backward Citations)

GB191118187A Cited
US1791347A Cited
US2401453A Cited
US2384981A Cited
US2725027A Cited
US2950599A Cited
US2975747A Cited
US3034155A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-05 1967-11-04 1968-05-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-05 1971-11-04 1972-05-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-05 1975-11-04 1976-05-05 $7700.00 Window Closed / Lapsed

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