US3263253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyance loader elevating system
Assignee: WOLLARD AIRCRAFT SERVICE EQUIPMENT Inc
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Filing: 1963-11-29
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Granted: 1966-08-02
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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 07:43
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/30; B64F1/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A CONVEYANCE LOADER COMPRISING (A) AN ELONGATED GANGWAY MOUNTED FOR VERTICAL SWINGING MOVEMENT ABOUT A HORIZONTAL AXIS, (B) AN UPWARDLY EXTENSIBLE SUPPORT MEANS FOR SUPPORTING AN OUTER PORTION OF THE ELONGATED GANGWAY, (C) THE SUPPORT MEANS COMPRISING A GANGWAY SUPPORT PORTION CARRIED BY SAID OUTER PORTION OF THE ELONGATED GANGWAY AND A GROUND SUPPORTED PORTION, (D) A PAIR OF EXTENSIBLE FLUID MOTOR MEANS DISPOSED ONE AT EITHER SIDE OF THE SUPPORT MEANS AND CONNECTED BETWEEN ONE SUPPORT MEANS PORTION AND THE OTHER SUPPORT MEANS PORTION FOR RAISING AND LOWERING SAID OUTER PORTION OF THE ELONGATED GANGWAY, (E) A PAIR OF RACK MEANS CARRIED BY ONE SUPPORT MEANS PORTION AND DISPOSED ONE ON EITHER SIDE OF THE SUPPORT MEANS, AND
Claim 2
Dependent Claim
119 words
A CONVEYANCE LOADER COMPRISING (A) AN ELONGATED GANGWAY MOUNTED FOR VERTICAL SWINGING MOVEMENT ABOUT A HORIZONTAL AXIS, (B) AN UPWARDLY EXTENSIBLE SUPPORT MEANS FOR SUPPORTING AN OUTER PORTION OF THE ELONGATED GANGWAY, (C) THE SUPPORT MEANS COMPRISING A GANGWAY SUPPORT PORTION CARRIED BY SAID OUTER PORTION OF THE ELONGATED GANGWAY AND A GROUND SUPPORTED PORTION, (D) A PAIR OF EXTENSIBLE FLUID MOTOR MEANS DISPOSED ONE AT EITHER SIDE OF THE SUPPORT MEANS AND CONNECTED BETWEEN ONE SUPPORT MEANS PORTION AND THE OTHER SUPPORT MEANS PORTION FOR RAISING AND LOWERING SAID OUTER PORTION OF THE ELONGATED GANGWAY, (E) A PAIR OF RACK MEANS CARRIED BY ONE SUPPORT MEANS PORTION AND DISPOSED ONE ON EITHER SIDE OF THE SUPPORT MEANS, AND
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |