Patent US3315291A successfully refreshed from Google Patents.
US3315291A
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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
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)
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 |