Patent US3072394A successfully refreshed from Google Patents.
US3072394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
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Granted: 1963-01-08
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Expires: 1980-01-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:10
CPC Classifications
E; E05; E05F; E05F17/00; E05F17/004; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/606; E05Y2201/62; E05Y2800/00; E05Y2800/20; E05Y2800/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
322 words
AN OPERATING SYSTEM FOR A DOOR MOVABLE TO FULLY CLOSED AND FULLY OPEN POSITIONS RESPECTIVELY AND HAVING PLURAL LEAVES SIMULTANEOUSLY DIFFERENTIALLY MOVABLE TO ARRIVE SIMULTANEOUSLY AT FULLY CLOSED AND FULLY OPEN POSITIONS, MEANS FOR MOVING SAID DOOR TO FULLY CLOSED AND FULLY OPEN POSITIONS BY SIMULTANEOUS DIFFERENTIAL MOVEMENT OF THE LEAVES THEREOF INCLUDING A FIRST PLURALITY OF ROTATABLE MEMBERS AND A SECOND PLURALITY OF ROTATABLE MEMBERS FIXEDLY MOUNTED IN SPACED RELATION TO EACH OTHER, A CARRIAGE BETWEEN SAID FIRST AND SECOND PLURALITIES OF ROTATABLE MEMBERS MOVABLE IN OPPOSITE DIRECTIONS ALONG A PREDETERMINED PATH, THIRD AND FOURTH PLURALITIES OF ROTATABLE MEMBERS MOUNTED ON SAID CARRIAGE, A FLEXIBLE LINEAR MEMBER HAVING ANCHORED ENDS AND A CONTINUOUS SECTION EXTENDING FIRST FROM ONE OF THE ANCHORED ENDS ALTERNATELY AND SUCCESSIVELY IN REEVED RELATION AROUND SEPARATE ROTATABLE MEMBERS OF SAID THIRD AND FIRST PLURALITIES RESPECTIVELY TO FORM A PLURALITY OF PAIRS OF PORTIONS OF SAID SECTION WHICH EXTEND FROM THE CARRIAGE IN ONE DIRECTION OF CARRIAGE MOVEMENT, SAID LINEAR MEMBER HAVING A SECOND CONTINUOUS SECTION EXTENDING FROM A ROTATABLE MEMBER OF SAID FIRST PLURALITY ALTERNATELY AND SUCCESSIVELY IN REEVED RELATION AROUND SEPARATE ROTATABLE MEMBERS OF SAID SECOND AND FOURTH PLURALITIES RESPECTIVELY, AND FINALLY FROM A ROTATABLE MEMBER OF SAID FOURTH PLURALITY TO THE OTHER OF SAID ANCHORED ENDS TO FORM A PLURALITY OF PAIRS OF PORTIONS OF SAID SECOND SECTION WHICH EXTEND FROM THE CARRIAGE IN THE OPPOSITE DIRECTION OF CARRIAGE MOVEMENT, MOVEMENT OF SAID LINEAR MEMBER CAUSING SAID CARRIAGE TO MOVE ALONG ITS PATH AND CAUSING SEPARATE PORTIONS OF SAID SECTIONS TO MOVE AT DIFFERENT SPEEDS IN THE SAME DIRECTION, MEANS CONNECTING THE LEAVES OF SAID DOOR RESPECTIVELY TO CERTAIN OF THE SAID SEPARATE PORTIONS, AND MEANS FOR MOVING SAID LINEAR MEMBER IN OPPOSITE DIRECTIONS TO SIMULTANEOUSLY DIFFERENTIALLY MOVE THE LEAVES OF SAID DOOR AND THEREBY MOVE SAID DOOR TO FULLY CLOSED OR FULLY OPEN POSITIONS DEPENDING ON THE DIRECTION OF MOVEMENT OF SAID LINEAR MEMBER.
Claim 2
Dependent Claim
322 words
AN OPERATING SYSTEM FOR A DOOR MOVABLE TO FULLY CLOSED AND FULLY OPEN POSITIONS RESPECTIVELY AND HAVING PLURAL LEAVES SIMULTANEOUSLY DIFFERENTIALLY MOVABLE TO ARRIVE SIMULTANEOUSLY AT FULLY CLOSED AND FULLY OPEN POSITIONS, MEANS FOR MOVING SAID DOOR TO FULLY CLOSED AND FULLY OPEN POSITIONS BY SIMULTANEOUS DIFFERENTIAL MOVEMENT OF THE LEAVES THEREOF INCLUDING A FIRST PLURALITY OF ROTATABLE MEMBERS AND A SECOND PLURALITY OF ROTATABLE MEMBERS FIXEDLY MOUNTED IN SPACED RELATION TO EACH OTHER, A CARRIAGE BETWEEN SAID FIRST AND SECOND PLURALITIES OF ROTATABLE MEMBERS MOVABLE IN OPPOSITE DIRECTIONS ALONG A PREDETERMINED PATH, THIRD AND FOURTH PLURALITIES OF ROTATABLE MEMBERS MOUNTED ON SAID CARRIAGE, A FLEXIBLE LINEAR MEMBER HAVING ANCHORED ENDS AND A CONTINUOUS SECTION EXTENDING FIRST FROM ONE OF THE ANCHORED ENDS ALTERNATELY AND SUCCESSIVELY IN REEVED RELATION AROUND SEPARATE ROTATABLE MEMBERS OF SAID THIRD AND FIRST PLURALITIES RESPECTIVELY TO FORM A PLURALITY OF PAIRS OF PORTIONS OF SAID SECTION WHICH EXTEND FROM THE CARRIAGE IN ONE DIRECTION OF CARRIAGE MOVEMENT, SAID LINEAR MEMBER HAVING A SECOND CONTINUOUS SECTION EXTENDING FROM A ROTATABLE MEMBER OF SAID FIRST PLURALITY ALTERNATELY AND SUCCESSIVELY IN REEVED RELATION AROUND SEPARATE ROTATABLE MEMBERS OF SAID SECOND AND FOURTH PLURALITIES RESPECTIVELY, AND FINALLY FROM A ROTATABLE MEMBER OF SAID FOURTH PLURALITY TO THE OTHER OF SAID ANCHORED ENDS TO FORM A PLURALITY OF PAIRS OF PORTIONS OF SAID SECOND SECTION WHICH EXTEND FROM THE CARRIAGE IN THE OPPOSITE DIRECTION OF CARRIAGE MOVEMENT, MOVEMENT OF SAID LINEAR MEMBER CAUSING SAID CARRIAGE TO MOVE ALONG ITS PATH AND CAUSING SEPARATE PORTIONS OF SAID SECTIONS TO MOVE AT DIFFERENT SPEEDS IN THE SAME DIRECTION, MEANS CONNECTING THE LEAVES OF SAID DOOR RESPECTIVELY TO CERTAIN OF THE SAID SEPARATE PORTIONS, AND MEANS FOR MOVING SAID LINEAR MEMBER IN OPPOSITE DIRECTIONS TO SIMULTANEOUSLY DIFFERENTIALLY MOVE THE LEAVES OF SAID DOOR AND THEREBY MOVE SAID DOOR TO FULLY CLOSED OR FULLY OPEN POSITIONS DEPENDING ON THE DIRECTION OF MOVEMENT OF SAID LINEAR MEMBER.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |