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US3315291A Expired / Lapsed US ⏱️ 0.0 years remaining

Conveyance loading apparatus

Assignee: WOLLARD AIRCRAFT SERVICE EQUIPMENT Inc
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Filing: 1963-11-29
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Granted: 1967-04-25
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Expires: 1983-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph C Wollard
  • 👤 John S Slaney
  • 👤 Lester L Preiss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:19
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/30; B64F1/305; B64F1/3055

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 174 words
A CONVEYANCE GANGWAY COMPRISING: (A) AT AN ELONGATED PORTION, (B) MEANS MOUNTING THE ELONGATED PORTION FOR SUBSTANTIALLY HORIZONTAL SWINGING MOVEMENT ABOUT A VERTICAL FIRST AXIS, (C) A CONVEYANCE END PORTION, (D) MEANS SWINGABLY INTERCONNECTING THE CONVEYANCE END PORTION WITH THE ELONGATED PORTION FOR SUBSTANTIALLY HORIZONTAL SWINGING MOVEMENT OF THE CONVEYANCE END PORTION RELATIVE TO THE ELONGATED PORTION ABOUT A SECOND AXIS, (E) THE CONVEYANCE END PORTION EXTENDING LATERALLY OF THE ELONGATED PORTION, (F) THE ELONGATED PORTION HAVING A PAIR OF SIDE WALLS, ONE BEING SUBSTANTIALLY SHORTER THAN THE OTHER, AND (G) AN ENDWALL EXTENDING ROM THE CONVEYANCE END OF THE OTHER SIDE WALL TOWARD THE CONVEYANCE END PORTION OF THE GANGWAY, (H) THE CONVEYANCE END OF THE ONE SIDE WALL AND THE END OF THE END WALL NEAREST THE CONVEYANCE END POR TION BEING EACH CONTIGUOUS TO THE CONVYANCE END PORTION WHEN THE CONVEYANCE END PORTION IS DISPOSED AT NEGATIVE AND POSITIVE ACUTE ANGLES, RESPECTIVELY, TO A PLANE WHICH INCLUDES THE SECOND AXIS AND WHICH IS PERPENDICULAR TO THE LENGTH OF THE ELONGATED PORTION.

References Cited (Backward Citations)

US1590317A Cited
US2688761A Cited
US2875457A Cited
US3110048A Cited
US3060471A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-24 1970-10-24 1971-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-24 1974-10-24 1975-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-24 1978-10-24 1979-04-25 $7700.00 Window Closed / Lapsed

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