US3237789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloading apparatus for dumb waiters and the like
Assignee: Guilbert Inc
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Filing: 1962-12-26
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Granted: 1966-03-01
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Nicholas R Guilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:56
CPC Classifications
B; B66; B66B; B66B11/00; B66B11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
IN COMBINATION WITH A CAR ADAPTED FOR MOVEMENT IN A VERTICAL HATCHWAY HAVING HATCHWAY DOORS AT HATCHWAY ACCESS LOCATIONS MOVABLE TO OPEN POSITIONS, AN ARTICLE TRANSFER CARRIAGE HAVING A PLURALITY OF ARTICLE SUPPORTING SECTIONS FOR MOVEMENT TOWARDS AND AWAY FROM A SELECTED HATCHWAY ACCESS LOCATION, SAID ARTICLE SUPPORTING SECTIONS INCLUDING A CENTRAL LONGITUDINALLY EXTENDING ARTICLE ENGAGING PORTION FOR ARTICLE SUPPORT, SAID ARTICLE SUPPORTING SECTION HAVING AT LEAST ONE CANTILEVER END MOVABLE OUTWARDLY BEYOND A HATCHWAY DOOR IN OPEN POSITION HORIZONTAL CARRIAGE SUPPORTING RAILS IN SAID CAR, CARRIAGE SUPPORTING MEMBERS MOVABLE ALONG SAID RAILS, A MOTOR ON SAID CARRIAGE, SPACED ARTICLE IMPELLING MEMBERS MOUNTED ON SAID CARRIAGE ON OPPOSITE SIDES OF SAID CENTRAL MOUNTED ARTICLE ENGAGING PORTION FOR MOVING AN ARTICLE ALONG SAID ARTICLE ENGAGING PORTION, CARRIAGE MOVING MEMBERS ON SAID CARRIAGE AND SAID CAR HAVING INTERENGAGING PORTIONS, AND OPERATING CONNECTIONS BETWEEN SAID MOTOR AND SAID CARRIAGE MOVING MEMBERS AND SAID MOTOR AND SAID ARTICLE IMPELLING MEMBER, SAID CARRIAGE MOVING MEMBERS MOVING SAID END PORTION OUTWARDLY BEYOND A HATCHWAY DOOR IN OPEN POSITION.
Claim 2
Dependent Claim
172 words
IN COMBINATION WITH A CAR ADAPTED FOR MOVEMENT IN A VERTICAL HATCHWAY HAVING HATCHWAY DOORS AT HATCHWAY ACCESS LOCATIONS MOVABLE TO OPEN POSITIONS, AN ARTICLE TRANSFER CARRIAGE HAVING A PLURALITY OF ARTICLE SUPPORTING SECTIONS FOR MOVEMENT TOWARDS AND AWAY FROM A SELECTED HATCHWAY ACCESS LOCATION, SAID ARTICLE SUPPORTING SECTIONS INCLUDING A CENTRAL LONGITUDINALLY EXTENDING ARTICLE ENGAGING PORTION FOR ARTICLE SUPPORT, SAID ARTICLE SUPPORTING SECTION HAVING AT LEAST ONE CANTILEVER END MOVABLE OUTWARDLY BEYOND A HATCHWAY DOOR IN OPEN POSITION HORIZONTAL CARRIAGE SUPPORTING RAILS IN SAID CAR, CARRIAGE SUPPORTING MEMBERS MOVABLE ALONG SAID RAILS, A MOTOR ON SAID CARRIAGE, SPACED ARTICLE IMPELLING MEMBERS MOUNTED ON SAID CARRIAGE ON OPPOSITE SIDES OF SAID CENTRAL MOUNTED ARTICLE ENGAGING PORTION FOR MOVING AN ARTICLE ALONG SAID ARTICLE ENGAGING PORTION, CARRIAGE MOVING MEMBERS ON SAID CARRIAGE AND SAID CAR HAVING INTERENGAGING PORTIONS, AND OPERATING CONNECTIONS BETWEEN SAID MOTOR AND SAID CARRIAGE MOVING MEMBERS AND SAID MOTOR AND SAID ARTICLE IMPELLING MEMBER, SAID CARRIAGE MOVING MEMBERS MOVING SAID END PORTION OUTWARDLY BEYOND A HATCHWAY DOOR IN OPEN POSITION.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |